12-Letter Words Containing COS

There are 32 12-letter words that contain COS. 9 are common words, such as COSMETICALLY and COSMETICIANS. A rarer one is VISCOSIMETER. In this set, I is the most frequent open letter (25 words). 4 words contain a doubled letter.

Full list 32

Common words

cosmeticallycosmeticianscosmogonistscosmologicalcosmologistscosmopolitancosponsoringcostlinessesjocosenessescosmogonicalcosmographercosmonautics
cosmeticallycosmeticianscosmogonistscosmologicalcosmologistscosmopolitancosponsoringcostlinessesjocosenessescosmogonicalcosmographercosmonauticscosmopolitescostermongericosahedronsintercostalssuffruticosecatholicosescosmeticizedcosmeticizescosmochemistcosmographiccosmopolisescosurfactantglucosaminesglucosidasesglycosidasesglycosylatedglycosylatessternocostalvaricositiesviscosimeter

About this list

Words
32 (9 common words)
Common example
cosmetically
Rare example
viscosimeter
Doubled letters
4
Ending in S
17
Most frequent letter
I (25)

Questions

How many 12-letter words containing cos are there?

32. 9 of them are common words.

What is a common example?

COSMETICALLY is among the common words in this set.