12-Letter Words Matching _P____O_____

There are 18 12-letter words that match _P____O_____. 3 are common words, such as SPECTROMETER and SPECTROSCOPE. A rarer one is SPHINGOSINES. In this set, S is the most frequent open letter (17 words). 2 words contain a doubled letter.

Full list 18

spectrometerspectroscopespectroscopyapochromaticapostrophizeapotheosizedapotheosizesspectrogramsspectrographspectrometrysphygmographspongioblastapostrophiseoperatorlessspanakopitasspanokopitasspeedboatingsphingosines

About this list

Words
18 (3 common words)
Common example
spectrometer
Rare example
sphingosines
Doubled letters
2
Ending in S
6
Most frequent letter
S (17)

Questions

How many 12-letter words matching _p____o_____ are there?

18. 3 of them are common words.

What is a common example?

SPECTROMETER is among the common words in this set.