15-Letter Words Matching ____PH_________

There are 19 15-letter words that match ____PH_________. 4 are common words, such as AMORPHOUSNESSES and PHOSPHORESCENCE. A rarer one is PHOSPHORYLATIVE. In this set, O is the most frequent open letter (19 words). 4 words contain a doubled letter.

Full list 19

amorphousnessesphosphorescencetelephotographyunsophisticatedencephalographyphosphocreatinephosphoproteinsphosphorylationsycophanticallytelephotographszygophyllaceousblasphemousnesscytophotometricencephalitogensencephalographsencephalopathicphosphatizationphosphorylatingphosphorylative

About this list

Words
19 (4 common words)
Common example
amorphousnesses
Rare example
phosphorylative
Doubled letters
4
Ending in S
7
Most frequent letter
O (19)

Questions

How many 15-letter words matching ____ph_________ are there?

19. 4 of them are common words.

What is a common example?

AMORPHOUSNESSES is among the common words in this set.