13-Letter Words Matching _P_____O_____

There are 20 13-letter words that match _P_____O_____. 3 are common words, such as APPORTIONMENT and OPERATIONALLY. A rarer one is SPERMATOZOANS. In this set, E is the most frequent open letter (20 words). 3 words contain a doubled letter.

Full list 20

apportionmentoperationallyspeleologistsepiphenomenonspeleologicalspermatocytesspermatophorespermatophytespermatozoidsapportionableepidemiologicepileptogenicepiphenomenaloperationismsoperationistsspectatorshipspectinomycinspermatogenicspermatogoniaspermatozoans

About this list

Words
20 (3 common words)
Common example
apportionment
Rare example
spermatozoans
Doubled letters
3
Ending in S
6
Most frequent letter
E (20)

Questions

How many 13-letter words matching _p_____o_____ are there?

20. 3 of them are common words.

What is a common example?

APPORTIONMENT is among the common words in this set.