13 Letter Words

15,050 Thirteen-letter words for Scrabble, Words With Friends & word gamesfor Scrabblefor Words With Friends

Thirteen letters. That's just 2 squares short of spanning an entire Scrabble boardScrabble boardWords With Friends board, which is 15 squares wide. You won't be playing these in a board game anytime soon, but they show up in championship-level crossword puzzles and they're fascinating examples of how English builds meaning by layering affixes on roots.

COMMUNICATION, COMPREHENSIVE, CONCENTRATION, DETERMINATION, EXTRAORDINARY, UNDERSTANDING: these are everyday words that happen to be 13 letters long. The construction is almost always layered: UN- + COMFORT + -ABLE = UNCOMFORTABLE, COM- + MUNICATE + -ION = COMMUNICATION. English has borrowed word-building rules from Latin, Greek, French, and Germanic languages over centuries, which is why long words often feel like linguistic archaeology. The history of anagrams traces how word games have drawn on this same complexity since ancient Greece.

For crossword solvers tackling challenging puzzles, the filters above the list are essential here. If you know the first and last letters, the results shrink dramatically. The Scrabble Word Finder verifies whether a word is valid in your chosen dictionary, and the Jumble Solver handles long letter sets. Understanding different puzzle-solving approaches helps with these longer entries.

13 Letter Words

100 of 15,050 words
razzamatazzes 51
chiquichiquis 41
embezzlements 37
katzenjammers 37
objectivizing 37
subjectivized 37
bedazzlements 36
benzimidazole 36
hypopharynxes 36
jickajoggings 36
photooxidized 36
quelquechoses 36
schizomycetic 36
squeezability 36
subjectivizes 36
tachyphylaxes 36
tachyphylaxis 36
zoopsychology 36
zygapophyseal 36
zygapophysial 36
clickjackings 35
decitizenized 35
deoxygenizing 35
hexametrizing 35
muzzleloading 35
photooxidizes 35
psychoanalyze 35
schizothymias 35
thymectomized 35
zigzaggedness 35
zygomorphisms 35
decitizenizes 34
extemporizing 34
frizzlinesses 34
gyrofrequency 34
hydroxyacetic 34
hydroxycitric 34
hyperimmunize 34
hypothesizing 34
hypothetizing 34
isocarboxazid 34
jackhammering 34
metaphysicize 34
muzzleloaders 34
oxyrhynchuses 34
phagocytizing 34
podzolization 34
psychologized 34
quartziferous 34
quinquevalent 34
quinquivalent 34
schizomycetes 34
schizophrenic 34
somniloquized 34
syzygetically 34
thymectomizes 34
ventriloquize 34
zinjanthropus 34
zoophysiology 34
zygodactylism 34
zymotechnical 34
backcheckings 33
benzoquinones 33
brachycephaly 33
circumjacency 33
complexifying 33
coxcombically 33
cryptozoology 33
cycloheximide 33
diphthongized 33
extemporizers 33
extravaganzas 33
hyperbolizing 33
hyperpyrexial 33
hyperpyrexias 33
hyphenization 33
hypothesizers 33
jabberwockies 33
jawbreakingly 33
maximizations 33
methoxychlors 33
philosophized 33
phosphatizing 33
phosphorizing 33
phycoxanthins 33
physicalizing 33
phytotoxicity 33
psychologizes 33
psychophysics 33
quadruplexing 33
quickstepping 33
quinquenniums 33
rhombporphyry 33
rhythmization 33
somniloquizes 33
sphygmography 33
sycophantized 33
taxidermizing 33
xiphophyllous 33
benzaldehydes 32

Highest Scoring 13-Letter Words in Scrabble in Words With Friends

The 10 highest-scoring thirteen-letter words, led by RAZZAMATAZZES (51 pts in Scrabble, 52 pts in Words With Friends51 pts in Scrabble52 pts in Words With Friends). High-value words like these can dominate premium squares and swing close games in your favor.

# Word Scrabble WWF
1 RAZZAMATAZZES 51 pts 52 pts
2 CHIQUICHIQUIS 41 pts 43 pts
3 EMBEZZLEMENTS 37 pts 42 pts
4 KATZENJAMMERS 37 pts 42 pts
5 OBJECTIVIZING 37 pts 44 pts
6 SUBJECTIVIZED 37 pts 43 pts
7 BEDAZZLEMENTS 36 pts 40 pts
8 BENZIMIDAZOLE 36 pts 40 pts
9 HYPOPHARYNXES 36 pts 35 pts
10 JICKAJOGGINGS 36 pts 45 pts

Thirteen-Letter Words and Word Game Records

At 13 letters, words are just 2 squares short of spanning an entire Scrabble or Words With FriendsScrabbleWords With Friends board. The construction at this length is deeply layered: COMMUNICATION = COM- + MUNIC + -ATE + -ION, UNCOMFORTABLE = UN- + COM- + FORT + -ABLE, UNDERSTANDING = UNDER- + STAND + -ING. Every 13-letter word is a small lesson in how English borrows word-building rules from Latin, Greek, French, and Germanic languages. Recognizing these layers is the fastest way to decode unfamiliar words, whether in crosswords, on standardized tests, or in everyday reading.

When you see a 13-letter slot in a crossword, it's a near-grid-spanner that dominates the solving experience for its row. The strategy is straightforward: solve the crossing words first, then use the confirmed letters as constraints. With a 13-letter slot, even 3 known letters (positions 2, 7, and 11, for example) dramatically narrow the possibilities. Use this page's filters to search by starting letter, ending letter, and contained letters simultaneously. If the puzzle is themed, the theme often reveals the word's subject area, narrowing your search further.

Thirteen-letter words also hold a special place in word game history and trivia. While playing a 13-letter word in a casual game is extremely rare, the vocabulary skills transfer directly to shorter word lengths. Players who study long word construction tend to spot 7 and 8-letter bingos faster because they've internalized how prefixes, roots, and suffixes combine. The history of word games is full of examples where mastery of long words translated into competitive dominance at shorter lengths.

Words by Length

Browse complete word lists by how many letters they have, from 2-letter words to 15-letter words.

2 Letter Words 3 Letter Words 4 Letter Words 5 Letter Words 6 Letter Words 7 Letter Words 8 Letter Words 9 Letter Words 10 Letter Words 11 Letter Words 12 Letter Words 13 Letter Words 14 Letter Words 15 Letter Words

Words by Starting Letter

Browse words organized by their first letter. Use the filters on each page to narrow by ending letter, contained letters, or length.

Words Starting With A Words Starting With B Words Starting With C Words Starting With D Words Starting With E Words Starting With F Words Starting With G Words Starting With H Words Starting With I Words Starting With J Words Starting With K Words Starting With L Words Starting With M Words Starting With N Words Starting With O Words Starting With P Words Starting With Q Words Starting With R Words Starting With S Words Starting With T Words Starting With U Words Starting With V Words Starting With W Words Starting With X Words Starting With Y Words Starting With Z

Words by Ending Letter

Browse words organized by their last letter. Useful for rhyming, suffix hooks, and crossword solving.

Words Ending In A Words Ending In B Words Ending In C Words Ending In D Words Ending In E Words Ending In F Words Ending In G Words Ending In H Words Ending In I Words Ending In J Words Ending In K Words Ending In L Words Ending In M Words Ending In N Words Ending In O Words Ending In P Words Ending In Q Words Ending In R Words Ending In S Words Ending In T Words Ending In U Words Ending In V Words Ending In W Words Ending In X Words Ending In Y Words Ending In Z

Words by Contained Letter

Find words that include a specific letter anywhere in the word. Helpful for Scrabble high-value tiles and Wordle yellow clues.

Words With A Words With B Words With C Words With D Words With E Words With F Words With G Words With H Words With I Words With J Words With K Words With L Words With M Words With N Words With O Words With P Words With Q Words With R Words With S Words With T Words With U Words With V Words With W Words With X Words With Y Words With Z

Words by Vowel

Browse words that contain A, E, I, O, or U. Useful for vowel-dump plays and testing vowels in daily puzzles.

Words With Vowel A Words With Vowel E Words With Vowel I Words With Vowel O Words With Vowel U

Browse All Word Lists

Start from one of the main word-list hubs, then filter on the page.

Words Starting With Words Ending In Words With Letters Words by Length Vowel Words

Related Word Tools

Explore our free word game tools to improve your Scrabble, crossword, and word game skills.

Wordle Word Finder Enter green, yellow, and gray letters to find today's Wordle answer
Scrabble Word Finder Enter your rack tiles and find the highest-scoring plays
Word Unscrambler Unscramble any set of letters to find valid words
Jumble Solver Solve daily Jumble puzzles instantly with all possible arrangements

Related Blog Posts & Guides

Strategy & Logic How to Use an Anagram Solver to Learn (Not Just to Win) 10 min read Linguistic Lab The 10 Best Word Games for Brain Training (Ranked by Cognitive Benefit) 13 min read Game Mastery A 30-Day Roadmap to Build Your Scrabble Vocabulary From Scratch 10 min read Linguistic Lab The Most Common Letters in English (And How Every Word Game Exploits Them) 10 min read

Frequently Asked Questions

How many 13-letter words are there in Scrabble and Words With Friends?

There are 15,050 valid 13-letter words in Scrabble (TWL/SOWPODS) and Words With Friends dictionaries. Thirteen-letter words are near the maximum length that fits on a standard 15x15 Scrabble board (with just 2 squares to spare).

What are examples of 13-letter words?

Common 13-letter words include COMMUNICATION, COMPREHENSIVE, CONCENTRATION, CONSCIOUSNESS, DETERMINATION, EXTRAORDINARY, UNDERSTANDING, and UNCOMFORTABLE. These words typically combine a familiar root with two or more affixes.

Can 13-letter words actually be played in word games?

While theoretically possible on a 15x15 board, playing a 13-letter word in Scrabble would require 7 rack tiles plus 6 correctly-positioned board tiles. This has almost certainly never occurred in competitive play. These words are primarily useful for crossword puzzles and vocabulary study.

What makes 13-letter words interesting for vocabulary?

Thirteen-letter words reveal how English constructs meaning through layers of affixes. Words like UNCOMFORTABLE (UN+COMFORT+ABLE), COMMUNICATION (COMMUNICATE+ION), and UNDERSTANDING (UNDER+STAND+ING) show how prefixes, roots, and suffixes combine to create complex meanings.

Are these words verified in competition dictionaries?

Yes, every word on this page is verified against Scrabble (TWL/SOWPODS) and Words With Friends dictionaries. Use the dictionary filter above the list to check which words are valid in Scrabble US (TWL), Scrabble International (SOWPODS), or Words With Friends.

How can I use this word list?

This list is most useful for crossword puzzle solving, vocabulary building, and word game study. Use the filters to narrow by starting letter, ending letter, or contained letters. For crossword clues where you know some positions, try our Word Unscrambler.