8-Letter Words Matching _S_L____

There are 20 8-letter words that match _S_L____. 4 are common words, such as ISOLATED and ISOLATES. A rarer one is PSYLLIUM. In this set, I is the most frequent open letter (15 words). 2 words contain a doubled letter.

Full list 20

isolatedisolatespsalmistpsalteryisolatorpsalmodyashlaredashleredisolableisoleadsisolinesisologuepsalmingpsalterspsilocinpsilosespsilosispsiloticpsyllidspsyllium

About this list

Words
20 (4 common words)
Common example
isolated
Rare example
psyllium
Doubled letters
2
Ending in S
7
Most frequent letter
I (15)

Questions

How many 8-letter words matching _s_l____ are there?

20. 4 of them are common words.

What is a common example?

ISOLATED is among the common words in this set.