12-Letter Words Matching ____A__S____

There are 23 12-letter words that match ____A__S____. 6 are common words, such as COMRADESHIPS and CONVALESCENT. A rarer one is VULCANISATES. In this set, T is the most frequent open letter (18 words). 3 words contain a doubled letter.

Full list 23

comradeshipsconvalescentconvalescingdissatisfieddissatisfiesstewardshipsathwartshipscaptainshipsextrasystoleextravasatedextravasatesgalvanoscopeingravescentnonparasiticprimateshipsritualistizeextramusicalintranasallynonvanishingtrypanosomesultradistantuncoalescingvulcanisates

About this list

Words
23 (6 common words)
Common example
comradeships
Rare example
vulcanisates
Doubled letters
3
Ending in S
9
Most frequent letter
T (18)

Questions

How many 12-letter words matching ____a__s____ are there?

23. 6 of them are common words.

What is a common example?

COMRADESHIPS is among the common words in this set.