11-Letter Words Matching ________OS_

There are 15 11-letter words that match ________OS_. 7 are common words, such as EASTERNMOST and FARTHERMOST. A rarer one is PHAGOCYTOSE. 3 words contain a doubled letter.

Full list 15

easternmostfarthermostfurthermostmisdiagnosesuperimposeunderexposewesternmostanthracnosebladdernosecapricciosochristcrossdeoxyriboseantileprosycounterposephagocytose

About this list

Words
15 (7 common words)
Common example
easternmost
Rare example
phagocytose
Doubled letters
3
Ending in S
1

Questions

How many 11-letter words matching ________os_ are there?

15. 7 of them are common words.

What is a common example?

EASTERNMOST is among the common words in this set.