The word "kos" uses 3 letters: kos.

KOS is playable in:

Words With Friends7
Scrabble US7
Scrabble UK7

kos is a valid word in this word list. For a definition, see the external dictionary links below.

Try a search for kos in these online resources (some words may not be found):
Wiktionary - OneLook Dictionaries - Merriam-Webster - Google Search
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Words formed by adding one letter before or after kos (in bold), or to kos in any order:

b - bosk11 kobs11

a - koas8 oaks8 okas8 soak8

i - kois8

p - kops11

r - kors8

s - koss8

m - mosk11

e - okes8 soke8

c - sock11

o - sook8

u - souk9

w - woks11

y - yoks10

Shorter words found within kos

List all words that start with Q, adjectives that start with Q or find all 5 letter words starting with Q

List all words by word length, browse all words in the list, explore all combinations of letters or find all adjectives starting with a letter

Words with all letters different - Letter pairs and double letters - Hook Word Lists