15-Letter Words Matching _____S________L

There are 14 15-letter words that match _____S________L. 1 are common words, such as INCONSEQUENTIAL and INFRASTRUCTURAL. A rarer one is ULTRASTRUCTURAL. In this set, A is the most frequent open letter (13 words). 2 words contain a doubled letter.

Full list 14

inconsequentialinfrastructuralmicrosporophyllsuperstructuraldemonstrationalecclesiologicalintrospectionalmacrostructuralmicrostructuralnoninsecticidalnoninstrumentalorchestrationalpantisocraticalultrastructural

About this list

Words
14 (1 common words)
Common example
inconsequential
Rare example
ultrastructural
Doubled letters
2
Ending in S
0
Most frequent letter
A (13)

Questions

How many 15-letter words matching _____s________l are there?

14. 1 of them are common words.

What is a common example?

INCONSEQUENTIAL is among the common words in this set.