15-Letter Words Matching _Y________I____

There are 22 15-letter words that match _Y________I____. 2 are common words, such as HYPERACTIVITIES and HYPERTHYROIDISM. A rarer one is HYPOSENSITIZING. 2 words contain a doubled letter.

Full list 22

hyperactivitieshyperthyroidismgyrostabilizershydrodynamicisthypochondriacalhypochondriaseshypochondriasispyroelectricitysynchronicitieshyperfunctionalhyperimmunizinghyperinsulinismhypermobilitieshypermutabilityhyperparasitismhyperpolarizinghyperreactivityhypersalinitieshypertonicitieshypervelocitieshypnotizabilityhyposensitizing

About this list

Words
22 (2 common words)
Common example
hyperactivities
Rare example
hyposensitizing
Doubled letters
2
Ending in S
9

Questions

How many 15-letter words matching _y________i____ are there?

22. 2 of them are common words.

What is a common example?

HYPERACTIVITIES is among the common words in this set.