15-Letter Words Matching __P_____O______

There are 18 15-letter words that match __P_____O______. 8 are common words, such as EXPEDITIOUSNESS and EXPRESSIONISTIC. A rarer one is SUPERMAJORITIES. In this set, E is the most frequent open letter (17 words). 9 words contain a doubled letter.

Full list 18

expeditiousnessexpressionistichypothyroidismsimpecuniousnessimpressionisticrepetitiousnesssuperfluousnesssuperimpositionduplicitousnessdephosphorylatehyperinvolutionhypervelocitiesimpecuniositiesnephrectomizingopprobriousnesssaponaceousnesssuperabsorbentssupermajorities

About this list

Words
18 (8 common words)
Common example
expeditiousness
Rare example
supermajorities
Doubled letters
9
Ending in S
12
Most frequent letter
E (17)

Questions

How many 15-letter words matching __p_____o______ are there?

18. 8 of them are common words.

What is a common example?

EXPEDITIOUSNESS is among the common words in this set.