Yes, cosmo is in the scrabble dictionary

...and is worth 11 points by itself.

find more words you can make below

Cosmo Definition

noun

Cosmopolitan.

from the English-language Wiktionary

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Here are some other words you could make with the letters COSMO, you can also
use this lookup tool to help you find words with our scrabble word finder.

Top Words by points	Points
cosmo	9

2 letter words with COSMO	Points
mo	4
om	4
os	2
so	2

3 letter words with COSMO	Points
coo	5
cos	5
moc	7
moo	5
mos	5
oms	5
soc	5
som	5

4 letter words with COSMO	Points
coos	6
mocs	8
moos	6

5 letter words with COSMO	Points
cosmo	9

Found 16 words in 0.1262 seconds