15-Letter Words Matching S_____L________

There are 17 15-letter words that match S_____L________. 2 are common words, such as SPECIALIZATIONS and SUPERFLUOUSNESS. A rarer one is SUPERPLASTICITY. In this set, I is the most frequent open letter (15 words). 6 words contain a doubled letter.

Full list 17

specializationssuperfluousnessscandalizationsstaphylorrhaphyscintillometerssemicolonialismsemicylindricalsensualizationssidesplittinglysolubilizationsspecialisationsstereologicallystraitlacednesssubproletariatssuperelevationssuperfluiditiessuperplasticity

About this list

Words
17 (2 common words)
Common example
specializations
Rare example
superplasticity
Doubled letters
6
Ending in S
11
Most frequent letter
I (15)

Questions

How many 15-letter words matching s_____l________ are there?

17. 2 of them are common words.

What is a common example?

SPECIALIZATIONS is among the common words in this set.