14-Letter Words Matching P_________U___

There are 18 14-letter words that match P_________U___. 6 are common words, such as PARSIMONIOUSLY and PERTINACIOUSLY. A rarer one is PSYCHOLINGUIST. In this set, O is the most frequent open letter (17 words). 1 words contain a doubled letter.

Full list 18

parsimoniouslypertinaciouslypostmenopausalpreposterouslypresumptuouslyprimogeniturespyrometallurgypercutaneouslyperitrichouslyphenylthioureaphiladelphusespicornavirusespolymorphouslypreconsciousespreconsciouslyproventriculuspseudonymouslypsycholinguist

About this list

Words
18 (6 common words)
Common example
parsimoniously
Rare example
psycholinguist
Doubled letters
1
Ending in S
5
Most frequent letter
O (17)

Questions

How many 14-letter words matching p_________u___ are there?

18. 6 of them are common words.

What is a common example?

PARSIMONIOUSLY is among the common words in this set.