15-Letter Words Matching ________T__L___

There are 20 15-letter words that match ________T__L___. 3 are common words, such as CONFIDENTIALITY and INTELLECTUALISM. A rarer one is SEMICRYSTALLINE. 9 words contain a doubled letter.

Full list 20

confidentialityintellectualismintellectualizeexperientialismintellectualityphenolphthaleinphotomultiplierpolycrystallinepsychopathologydorsiventralitydorsoventralityimmunopathologyintellectualistmonocrystallineorganometallicsphysiopathologypolyelectrolytereconceptualizerecontextualizesemicrystalline

About this list

Words
20 (3 common words)
Common example
confidentiality
Rare example
semicrystalline
Doubled letters
9
Ending in S
1

Questions

How many 15-letter words matching ________t__l___ are there?

20. 3 of them are common words.

What is a common example?

CONFIDENTIALITY is among the common words in this set.