15-Letter Words Matching _H_______A_____

There are 21 15-letter words that match _H_______A_____. 3 are common words, such as CHANNELIZATIONS and PHOTOENGRAVINGS. A rarer one is THERMOREMANENCE. In this set, O is the most frequent open letter (19 words). 6 words contain a doubled letter.

Full list 21

channelizationsphotoengravingswhippersnapperschlorothiazideschlorpromazinesphotomechanicalthermodynamicalthromboplastinschemotherapistschlorpropamidescholestyramineschondrocraniumschorioallantoicchorioallantoispharisaicalnessphenylbutazonesphotodegradablephotooxidationsphthalocyaninesthermalizationsthermoremanence

About this list

Words
21 (3 common words)
Common example
channelizations
Rare example
thermoremanence
Doubled letters
6
Ending in S
16
Most frequent letter
O (19)

Questions

How many 15-letter words matching _h_______a_____ are there?

21. 3 of them are common words.

What is a common example?

CHANNELIZATIONS is among the common words in this set.