13-Letter Words Matching __I________R_

There are 14 13-letter words that match __I________R_. 6 are common words, such as CHIROPRACTORS and HAIRSPLITTERS. A rarer one is WEISENHEIMERS. 2 words contain a doubled letter.

Full list 14

chiropractorshairsplittersprimogenitorsprimogenitureprizefightersweightliftersprimogenitaryquincentenaryscintillatorsstirpiculturechirographersstickhandlerstrisoctahedraweisenheimers

About this list

Words
14 (6 common words)
Common example
chiropractors
Rare example
weisenheimers
Doubled letters
2
Ending in S
9

Questions

How many 13-letter words matching __i________r_ are there?

14. 6 of them are common words.

What is a common example?

CHIROPRACTORS is among the common words in this set.