15-Letter Words Matching ______O___P____

There are 16 15-letter words that match ______O___P____. 3 are common words, such as AUTOBIOGRAPHERS and AUTOBIOGRAPHIES. A rarer one is SPECTROSCOPISTS. In this set, R is the most frequent open letter (16 words). 3 words contain a doubled letter.

Full list 16

autobiographersautobiographiesrephotographingdermatoglyphicsspectroscopicalarteriographiesbronchoscopistscorticotrophinsenantiomorphismenantiomorphousmetallographersmetallographiesoscillographiesprosopographiesspectrographiesspectroscopists

About this list

Words
16 (3 common words)
Common example
autobiographers
Rare example
spectroscopists
Doubled letters
3
Ending in S
13
Most frequent letter
R (16)

Questions

How many 15-letter words matching ______o___p____ are there?

16. 3 of them are common words.

What is a common example?

AUTOBIOGRAPHERS is among the common words in this set.