10-Letter Words Matching ____O___P_

There are 54 10-letter words that match ____O___P_. 12 are common words, such as HELIOTROPE and HIEROGLYPH. A rarer one is THIXOTROPY. In this set, R is the most frequent open letter (44 words). 2 words contain a doubled letter.

Full list 54

Common words

heliotropehieroglyphlithographmicrochipsmicroscopemicroscopymimeographphonographphotographpictographradioscopyturboprops
heliotropehieroglyphlithographmicrochipsmicroscopemicroscopymimeographphonographphotographpictographradioscopyturbopropsanemographanemoscopeanisotropyastrographcyclographcystoscopehagioscopehectographheliographhippocampihydrographhydroscopehyetographhygrographhygroscopeiconoscopekaryolymphlactoscopemicrographnecroscopynephographnephoscopeorthoscopepantographpetroglyphphonoscoperadiographradioscoperhinoscopyspirographsporocarpsstenographstylographtachographzincographcarrottopscystocarpscystoscopypleiotropyprototrophstatoscopethixotropy

About this list

Words
54 (12 common words)
Common example
heliotrope
Rare example
thixotropy
Doubled letters
2
Ending in S
5
Most frequent letter
R (44)

Questions

How many 10-letter words matching ____o___p_ are there?

54. 12 of them are common words.

What is a common example?

HELIOTROPE is among the common words in this set.