13-Letter Words Matching ________S___L

There are 17 13-letter words that match ________S___L. 5 are common words, such as ASTROPHYSICAL and INFINITESIMAL. A rarer one is ULTRAPHYSICAL. In this set, A is the most frequent open letter (16 words). 4 words contain a doubled letter.

Full list 17

astrophysicalinfinitesimalinterpersonallackadaisicaltortoiseshellhyperphysicalpostclassicalsemiclassicalsubperiostealsuperphysicalanticlassicalintrapersonalmicrophysicalpolyribosomalsuperpersonaltranspersonalultraphysical

About this list

Words
17 (5 common words)
Common example
astrophysical
Rare example
ultraphysical
Doubled letters
4
Ending in S
0
Most frequent letter
A (16)

Questions

How many 13-letter words matching ________s___l are there?

17. 5 of them are common words.

What is a common example?

ASTROPHYSICAL is among the common words in this set.