9 Letter Words That Start With COS

There are 34+ nine letter words beginning with COS in our English dictionary. Every nine-letter COS word below is valid in the Scrabble (TWL and SOWPODS), Wordle, and Words With Friends dictionaries, sortable and ready for your next puzzle. You can also browse all words starting with COS.

Popular 9-Letter Words Starting With COS

coscripts 15
cosecants 13
coseismal 13
coseismic 15
cosheries 14
coshering 15
cosigners 12
cosmogeny 17
cosmology 17
cosmonaut 13
cosmorama 15
cosphered 17

All 9-Letter Words Starting With COS (24 words)

Trending Today

5-letter word lists built for puzzle solving

How Common is COS as a Start 9 Letter word?

There are 34 9-letter words starting with COS in English. The average Scrabble score here is 14.2, with -S endings dominating (21% of them).

Total Words
34
Avg Scrabble Score
14.2
Most Common Ending (21%)
S
Top Vowel Pairs
IE
EI

Word Starting List You May Find Interesting

Tools for Your Word Lists Games

Finders and solvers to turn patterns into possibilities

Hints and Answers for Your Daily Games

Keep your streak alive. Daily help for daily puzzles

Try These Word Tips Games

Fun daily word games made by Wordtips

9 Letter Words beginning with COS are often very useful for word games like Scrabble and Words with Friends. This list will help you to find the top scoring words to beat the opponent. Word Finder by WordTips gives you a list of words ordered by their word game points of your choice. You might also be interested in 9 Letter Words with COS.

Are you playing Wordle? Try our New York Times Wordle Solver or use the Include and Exclude features on our 9 Letter Words page when playing Dordle, WordGuessr or any other Wordle-like games. They help you guess the answer faster by allowing you to input the good letters you already know and exclude the words containing your bad letter combinations.

Highest-Scoring 9-Letter COS-Words in Scrabble

cosphered 17
cosmogeny 17
cosmology 17
cosplayed 17
costively 17
cosmogony 17

What is the highest scoring word in Scrabble that starts with COS?

17 Points

The highest scoring word in Scrabble that starts with COS is cosphered with a total of 17 points.

C 3
O 1
S 1
P 3
H 4
E 1
R 1
E 1
D 2

FAQ 9 Letter Words That Start With COS

  • How many 9 letter words starting with COS are in the English dictionary?

    There are 34 9-letter words in the English dictionary that start with COS. The average Scrabble score across them is 14.2.

  • Are there any rare 9 letter words starting with COS worth more in Scrabble?

    Yes. Uncommon 9-letter words like "costalgia", "cosmorama", "cosmology", "costotomy" start with COS and can score big thanks to their unusual letters. "cosmology" is worth 17 points in Scrabble before any bonus tiles.

  • What are the most common 9 letter words starting with COS?

    Everyday 9-letter words starting with COS include "coscripts", "cosecants", "coseismal", "coseismic", "cosheries".