13-Letter Words Matching I___________T

There are 15 13-letter words that match I___________T. 5 are common words, such as ICHTHYOLOGIST and IMPRESSIONIST. A rarer one is IRRELIGIONIST. In this set, S is the most frequent open letter (14 words). 7 words contain a doubled letter.

Full list 15

ichthyologistimpressionistindividualistindustrialistinsignificantinterlacementimmaterialistimmunochemistimmunosorbentindeterministinterdistrictintransigeantintrogressantirrationalistirreligionist

About this list

Words
15 (5 common words)
Common example
ichthyologist
Rare example
irreligionist
Doubled letters
7
Ending in S
0
Most frequent letter
S (14)

Questions

How many 13-letter words matching i___________t are there?

15. 5 of them are common words.

What is a common example?

ICHTHYOLOGIST is among the common words in this set.