8-Letter Words Matching O_P_____

There are 18 8-letter words that match O_P_____. 4 are common words, such as OPPONENT and OPPOSING. A rarer one is ORPHICAL. In this set, E is the most frequent open letter (11 words). 11 words contain a doubled letter.

Full list 18

opponentopposingoppositeorphanedomphaloiomphalosoppilateoppugnedorphreysorpimentoxpeckeroophytesoophyticoppidansoppilantopposersoppugnerorphical

About this list

Words
18 (4 common words)
Common example
opponent
Rare example
orphical
Doubled letters
11
Ending in S
5
Most frequent letter
E (11)

Questions

How many 8-letter words matching o_p_____ are there?

18. 4 of them are common words.

What is a common example?

OPPONENT is among the common words in this set.