13-Letter Words Matching __Y____O_____

There are 20 13-letter words that match __Y____O_____. 5 are common words, such as PHYSIOLOGICAL and PHYSIOLOGISTS. A rarer one is THYROTROPHINS. In this set, I is the most frequent open letter (19 words). 1 words contain a doubled letter.

Full list 20

physiologicalphysiologistspsychologicalpsychologistspsychosomaticasynchronismsglycoproteinsamyloidosisescryptologicalcryptologistscryptozoologypsychologisedpsychologisespsychologismspsychologizedpsychologizesthymectomizedthymectomizesthyroglobulinthyrotrophins

About this list

Words
20 (5 common words)
Common example
physiological
Rare example
thyrotrophins
Doubled letters
1
Ending in S
11
Most frequent letter
I (19)

Questions

How many 13-letter words matching __y____o_____ are there?

20. 5 of them are common words.

What is a common example?

PHYSIOLOGICAL is among the common words in this set.