15-Letter Words Matching _____S__O______

There are 23 15-letter words that match _____S__O______. 12 are common words, such as AMBASSADORSHIPS and COMPASSIONATELY. A rarer one is RADIOSTRONTIUMS. In this set, N is the most frequent open letter (21 words). 18 words contain a doubled letter.

Full list 23

ambassadorshipscompassionatelyconcessionairesdispassionatelyexpressionisticimpressionisticinterscholasticprofessionalismprofessionalizetempestuousnessunconsciousnessunquestioninglycommissionairesinquisitoriallypromiscuousnessrumbustiousnessultrasonographycompassionatingconfessionalismconfessionalistdephosphorylatenecessitousnessradiostrontiums

About this list

Words
23 (12 common words)
Common example
ambassadorships
Rare example
radiostrontiums
Doubled letters
18
Ending in S
9
Most frequent letter
N (21)

Questions

How many 15-letter words matching _____s__o______ are there?

23. 12 of them are common words.

What is a common example?

AMBASSADORSHIPS is among the common words in this set.