Words Starting With COO

Last updated: October 1, 2026

136 of the 172,434 ENABLE words shown on this site are words that start with COO (about 0.079%). The longest is COOPERATIVENESSES; the shortest is COO. By common tile values the top scorer is COOKSHACKS (25 points); board bonuses aren't counted. 0 of them use no letter twice, which matters in games where every tile is separate. Different games use different dictionaries, so check your game's rules before relying on a word.

At a glance

Fact	Value
Words in this list	136
Share of the ENABLE list shown on this site	0.079%
Longest	`COOPERATIVENESSES` (17 letters)
Shortest	`COO` (3 letters)
Highest base score (common values)	`COOKSHACKS`, 25
No repeated letters	0

Most common next letter after COO

Letter	Words
P	33
K	32
L	21
R	12
E	11

What stands out

None of these words is a palindrome (the same backward and forward).
20 still form a word when the leading COO is removed, for example COOCOO, COOED, COOER, COOERS and COOEYED → COO, ED, ER, ERS and EYED.
The most common endings here are -ES (19), -ED (11), -NG (10).
The most common number of vowels (A, E, I, O, U) is 3, found in 49 of these words.
The average length is 8.0 letters.
After COO, the letter P comes next most often (33 words).

All COO- words

3 letters 1

coo

4 letters 6

coof cook cool coop coos coot

5 letters 14

cooch cooed cooee cooer cooey coofs cooks cooky cools cooly coomb coops coopt coots

6 letters 22

coocoo cooeed cooees cooers cooeys cooing cooked cooker cookey cookie cooled cooler coolie coolly coolth coombe coombs cooped cooper coopts cooter cootie

7 letters 25

cooches cooeyed cookers cookery cookeys cookies cooking cookout cooktop coolant coolers coolest coolies cooling coolish coolths coombes cooncan coontie coopers coopery cooping coopted cooters cooties

8 letters 20

cooeeing cooeying cooingly cookable cookbook cookings cookless cookouts cookshop cooktops cookware coolants cooldown coolness cooncans coonskin coonties coopered coopting cooption

9 letters 15

cookbooks cookeries cookhouse cookshack cookshops cookstove cookwares cooldowns coonhound coonskins cooperage cooperate cooperies coopering cooptions

10 letters 11

cookhouses cookshacks cookstoves coolheaded coolnesses coonhounds cooperages cooperated cooperates cooperator coordinate

11 letters 7

cooperating cooperation cooperative cooperators coordinated coordinates coordinator

12 letters 7

cooperations cooperatives coordinately coordinating coordination coordinative coordinators

13 letters 2

cooperatively coordinations

14 letters 2

cooperationist coordinateness

15 letters 2

cooperationists cooperativeness

16 letters 1

coordinatenesses

17 letters 1

cooperativenesses

Using these words

To find words that start with COO using only your letters, open the Word Unscrambler, enter your letters and type COO in Starts with. For a known pattern, the Crossword Solver accepts COO???-style patterns. Words come from the open ENABLE word list. Different games use different dictionaries, so always check the rules of your game.