15-Letter Words Matching __________P_I__

There are 22 15-letter words that match __________P_I__. 4 are common words, such as AUTOBIOGRAPHIES and CIRCUMSCRIPTION. A rarer one is SPECTROGRAPHIES. In this set, T is the most frequent open letter (20 words). 6 words contain a doubled letter.

Full list 22

autobiographiescircumscriptionnonprescriptionrephotographingdermatoglyphicsintussusceptionphotomultiplieranthroposophiesarteriographiescorticotrophinscountercampaigncountersteppingenantiomorphismintussusceptingintussusceptivemetallographiesmultidisciplineoscillographiesoverconsumptionphilanthropoidsprosopographiesspectrographies

About this list

Words
22 (4 common words)
Common example
autobiographies
Rare example
spectrographies
Doubled letters
6
Ending in S
10
Most frequent letter
T (20)

Questions

How many 15-letter words matching __________p_i__ are there?

22. 4 of them are common words.

What is a common example?

AUTOBIOGRAPHIES is among the common words in this set.