11-Letter Words Containing COS

There are 38 11-letter words that contain COS. 13 are common words, such as BELLICOSITY and COSIGNATORY. A rarer one is PELYCOSAURS. In this set, I is the most frequent open letter (30 words). 6 words contain a doubled letter.

Full list 38

Common words

bellicositycosignatorycosmeticiancosmetologycosmogoniescosmogonistcosmologiescosmologistcosponsoredmicrocosmicpsittacosespsittacosis
bellicositycosignatorycosmeticiancosmetologycosmogoniescosmogonistcosmologiescosmologistcosponsoredmicrocosmicpsittacosespsittacosisviscositiesanthracosesanthracosiscosmographycosmopoliteicosahedralicosahedroninfracostalintercostalmacrocosmicmacrocosmosmicrocosmospicosecondsbellicoselycoscriptingcosmeticizecostivenesscostumerieseicosanoidsglucosamineglucosidaseglycosidaseglycosuriasglycosylatenontobaccospelycosaurs

About this list

Words
38 (13 common words)
Common example
bellicosity
Rare example
pelycosaurs
Doubled letters
6
Ending in S
16
Most frequent letter
I (30)

Questions

How many 11-letter words containing cos are there?

38. 13 of them are common words.

What is a common example?

BELLICOSITY is among the common words in this set.