9-Letter Words Matching ____O__P_

There are 22 9-letter words that match ____O__P_. 4 are common words, such as AUDIOTAPE and PHOTOCOPY. A rarer one is PHOTOMAPS. In this set, T is the most frequent open letter (20 words). 3 words contain a doubled letter.

Full list 22

audiotapephotocopyprototypevideotapephenotypeambrotypecollotypecyanotypeferrotypeheliotypekaryotypemicrocopyphonotypyphototypephototypysellotapestenotypestenotypyhaplotypelectotypephenocopyphotomaps

About this list

Words
22 (4 common words)
Common example
audiotape
Rare example
photomaps
Doubled letters
3
Ending in S
1
Most frequent letter
T (20)

Questions

How many 9-letter words matching ____o__p_ are there?

22. 4 of them are common words.

What is a common example?

AUDIOTAPE is among the common words in this set.