15-Letter Words Matching ________TH_____

There are 18 15-letter words that match ________TH_____. 7 are common words, such as BLAMEWORTHINESS and NONSYMPATHIZERS. A rarer one is PHYSIOPATHOLOGY. 5 words contain a doubled letter.

Full list 18

blameworthinessnonsympathizersphotosynthesizeplainclothesmanplainclothesmenrestrengtheningtrustworthinesspharmacotherapyphenolphthaleinpithecanthropuspsychopathologyunseaworthinesscrashworthinesshyperaesthesiasimmunopathologymicroearthquakeoverlengtheningphysiopathology

About this list

Words
18 (7 common words)
Common example
blameworthiness
Rare example
physiopathology
Doubled letters
5
Ending in S
7

Questions

How many 15-letter words matching ________th_____ are there?

18. 7 of them are common words.

What is a common example?

BLAMEWORTHINESS is among the common words in this set.