15-Letter Words Matching __O__S_________

There are 13 15-letter words that match __O__S_________. 5 are common words, such as GROTESQUENESSES and PHOTOSYNTHESIZE. A rarer one is PHOTOSENSITIZER. In this set, E is the most frequent open letter (13 words). 6 words contain a doubled letter.

Full list 13

grotesquenessesphotosynthesizeprofessionalismprofessionalizewholesomenessesneoarsphenaminephotosensitizedphotosensitizespromiscuousnesstoothsomenessesbiosystematistscholestyraminesphotosensitizer

About this list

Words
13 (5 common words)
Common example
grotesquenesses
Rare example
photosensitizer
Doubled letters
6
Ending in S
7
Most frequent letter
E (13)

Questions

How many 15-letter words matching __o__s_________ are there?

13. 5 of them are common words.

What is a common example?

GROTESQUENESSES is among the common words in this set.