15-Letter Words Matching _P_R___________

There are 12 15-letter words that match _P_R___________. 2 are common words, such as APPRENTICESHIPS and APPROPRIATENESS. A rarer one is UPGRADABILITIES. 6 words contain a doubled letter.

Full list 12

apprenticeshipsappropriatenessapproachabilityoperationalismsoperationalistsoperativenessesopprobriousnessspermatogenesesspermatogenesisspiritualnessessporangiophoresupgradabilities

About this list

Words
12 (2 common words)
Common example
apprenticeships
Rare example
upgradabilities
Doubled letters
6
Ending in S
11

Questions

How many 15-letter words matching _p_r___________ are there?

12. 2 of them are common words.

What is a common example?

APPRENTICESHIPS is among the common words in this set.