11-Letter Words Matching ________OL_

There are 25 11-letter words that match ________OL_. 4 are common words, such as ERGOSTEROLS and HUNDREDFOLD. A rarer one is SITOSTEROLS. In this set, S is the most frequent open letter (19 words). 8 words contain a doubled letter.

Full list 25

Common words

ergosterolshundredfoldprofiterolethunderboltcalciferolsplayschoolsresorcinolstocopherolsbiocontrolscannabinolsclosestoolscroquignole
ergosterolshundredfoldprofiterolethunderboltcalciferolsplayschoolsresorcinolstocopherolsbiocontrolscannabinolsclosestoolscroquignoledicoumarolsethambutolseucalyptoleeucalyptolshomeschoolsindophenolsmillionfoldmilliosmolsminischoolspolyphenolspyrogallolsseveralfoldsitosterols

About this list

Words
25 (4 common words)
Common example
ergosterols
Rare example
sitosterols
Doubled letters
8
Ending in S
18
Most frequent letter
S (19)

Questions

How many 11-letter words matching ________ol_ are there?

25. 4 of them are common words.

What is a common example?

ERGOSTEROLS is among the common words in this set.