12-Letter Words Matching _____L____S_

There are 21 12-letter words that match _____L____S_. 6 are common words, such as METALLURGIST and SCHMALTZIEST. A rarer one is ULTRALEFTIST. In this set, I is the most frequent open letter (18 words). 10 words contain a doubled letter.

Full list 21

metallurgistschmaltzieststeeplechaseunhealthiestunwieldinessunworldliestapiculturistglobularnesssingularnessantiblackismapocalyptismapocalyptistaviculturistcircularnessdetailednessmiscellanistnoncolorfastpolyglottismschoolboyishultraleftismultraleftist

About this list

Words
21 (6 common words)
Common example
metallurgist
Rare example
ultraleftist
Doubled letters
10
Ending in S
5
Most frequent letter
I (18)

Questions

How many 12-letter words matching _____l____s_ are there?

21. 6 of them are common words.

What is a common example?

METALLURGIST is among the common words in this set.