13-Letter Words Matching __O____P_____

There are 17 13-letter words that match __O____P_____. 5 are common words, such as AVOIRDUPOISES and FRONTISPIECES. A rarer one is PROPOXYPHENES. In this set, I is the most frequent open letter (15 words). 0 words contain a doubled letter.

Full list 17

avoirdupoisesfrontispiecesonomatopoeiasonomatopoeticproscriptionsapocalypticalapostrophizedapostrophizesovoviviparityovoviviparousprosopopoeiasthoracoplastyapocalyptismsapocalyptistsapostrophisedapostrophisespropoxyphenes

About this list

Words
17 (5 common words)
Common example
avoirdupoises
Rare example
propoxyphenes
Doubled letters
0
Ending in S
11
Most frequent letter
I (15)

Questions

How many 13-letter words matching __o____p_____ are there?

17. 5 of them are common words.

What is a common example?

AVOIRDUPOISES is among the common words in this set.