12-Letter Words Matching ____O__S____

There are 30 12-letter words that match ____O__S____. 8 are common words, such as APHRODISIACS and AUDIOVISUALS. A rarer one is REPROVISIONS. In this set, I is the most frequent open letter (25 words). 12 words contain a doubled letter.

Full list 30

Common words

aphrodisiacsaudiovisualsburgomastersconnoisseursdishonestiesefflorescentinflorescentreprocessingcoprocessorsdisforestingefflorescingimprovisator
aphrodisiacsaudiovisualsburgomastersconnoisseursdishonestiesefflorescentinflorescentreprocessingcoprocessorsdisforestingefflorescingimprovisatorintromissionprotohistoryretrocessionsiphonosteleunprotestingcoprocessingethnohistoryhydrolysatesmacrofossilsmicrofossilsmisfocussingnondomesticsphotomosaicsphotoresistsphotosystemsprefocussingpremonishingreprovisions

About this list

Words
30 (8 common words)
Common example
aphrodisiacs
Rare example
reprovisions
Doubled letters
12
Ending in S
14
Most frequent letter
I (25)

Questions

How many 12-letter words matching ____o__s____ are there?

30. 8 of them are common words.

What is a common example?

APHRODISIACS is among the common words in this set.