12-Letter Words Matching ___S____O___

There are 16 12-letter words that match ___S____O___. 2 are common words, such as PLASTERBOARD and THISTLEDOWNS. A rarer one is POSSESSIONAL. In this set, E is the most frequent open letter (14 words). 3 words contain a doubled letter.

Full list 16

plasterboardthistledownsbrushstrokesphysiognomicprosopopoeiasensorimotortrestleworksblastosporescrescendoingcrystalloidsdiastereomerotosclerosesotosclerosispassageworksplasterworkspossessional

About this list

Words
16 (2 common words)
Common example
plasterboard
Rare example
possessional
Doubled letters
3
Ending in S
9
Most frequent letter
E (14)

Questions

How many 12-letter words matching ___s____o___ are there?

16. 2 of them are common words.

What is a common example?

PLASTERBOARD is among the common words in this set.