14-Letter Words Matching ______O___P___

There are 22 14-letter words that match ______O___P___. 4 are common words, such as AUTOBIOGRAPHER and AUTOBIOGRAPHIC. A rarer one is OSCILLOGRAPHIC. In this set, R is the most frequent open letter (20 words). 3 words contain a doubled letter.

Full list 22

autobiographerautobiographicrephotographedspectroscopiesgalvanotropismspectrographicspectroscopistarteriographicbronchoscopiesbronchoscopistcampylotropouscorticotrophincorticotropinsdermatoglyphicenantiomorphicgerontomorphiclaryngoscopiesmetallographermetallographicomphaloskepsesomphaloskepsisoscillographic

About this list

Words
22 (4 common words)
Common example
autobiographer
Rare example
oscillographic
Doubled letters
3
Ending in S
7
Most frequent letter
R (20)

Questions

How many 14-letter words matching ______o___p___ are there?

22. 4 of them are common words.

What is a common example?

AUTOBIOGRAPHER is among the common words in this set.