12-Letter Words Matching _S___L______

There are 12 12-letter words that match _S___L______. 6 are common words, such as ASTROLOGICAL and ASTROLOGISTS. A rarer one is OSTEOLOGISTS. In this set, I is the most frequent open letter (11 words). 6 words contain a doubled letter.

Full list 12

astrologicalastrologistsestablishingoscillationsoscilloscopeusefulnessesoscillogramsoscillographassaultivelyestablishersosteologicalosteologists

About this list

Words
12 (6 common words)
Common example
astrological
Rare example
osteologists
Doubled letters
6
Ending in S
6
Most frequent letter
I (11)

Questions

How many 12-letter words matching _s___l______ are there?

12. 6 of them are common words.

What is a common example?

ASTROLOGICAL is among the common words in this set.