12-Letter Words Matching ______O___S_

There are 28 12-letter words that match ______O___S_. 3 are common words, such as ORTHODONTIST and PERIODONTIST. A rarer one is RELIGIONLESS. In this set, T is the most frequent open letter (20 words). 9 words contain a doubled letter.

Full list 28

Common words

orthodontistperiodontistuncommonnessdiastrophismerythroblasteunuchoidismfrictionlessfunctionlessgymnosophistphilosophismphotocomposequestionless
orthodontistperiodontistuncommonnessdiastrophismerythroblasteunuchoidismfrictionlessfunctionlessgymnosophistphilosophismphotocomposequestionlessscapegoatismspongioblastsynchroflashtransformismambitionlessapostrophisebronchospasmcohesionlessergastoplasmmagnetopausenoncolorfastoperatorlessphilosophisephragmoplastpolyglottismreligionless

About this list

Words
28 (3 common words)
Common example
orthodontist
Rare example
religionless
Doubled letters
9
Ending in S
8
Most frequent letter
T (20)

Questions

How many 12-letter words matching ______o___s_ are there?

28. 3 of them are common words.

What is a common example?

ORTHODONTIST is among the common words in this set.