14-Letter Words Matching P_________O___

There are 21 14-letter words that match P_________O___. 4 are common words, such as PHANTASMAGORIA and PRECONDITIONED. A rarer one is PSYCHOBIOLOGIC. 1 words contain a doubled letter.

Full list 21

phantasmagoriapreconditionedpsychoneurosespsychoneurosisphantasmagoricphylloquinonespneumoconiosespneumoconiosispresentationalprogestationalpsychoneuroticpaedomorphosespaedomorphosisperturbationalplastoquinonespneumatophorespostganglionicpostpositionalprecipitinogenpreoperationalpsychobiologic

About this list

Words
21 (4 common words)
Common example
phantasmagoria
Rare example
psychobiologic
Doubled letters
1
Ending in S
9

Questions

How many 14-letter words matching p_________o___ are there?

21. 4 of them are common words.

What is a common example?

PHANTASMAGORIA is among the common words in this set.