12-Letter Words Matching ____O_____P_

There are 12 12-letter words that match ____O_____P_. 6 are common words, such as CHEMOTHERAPY and HYDROTHERAPY. A rarer one is PHOTOTHERAPY. 1 words contain a doubled letter.

Full list 12

chemotherapyhydrotherapyhypnotherapyradioisotoperadiotherapyrephotographcrymotherapyheliotherapymarconigraphmassotherapymeteorographphototherapy

About this list

Words
12 (6 common words)
Common example
chemotherapy
Rare example
phototherapy
Doubled letters
1
Ending in S
0

Questions

How many 12-letter words matching ____o_____p_ are there?

12. 6 of them are common words.

What is a common example?

CHEMOTHERAPY is among the common words in this set.