11-Letter Words Containing IRS

There are 12 11-letter words that contain IRS. 7 are common words, such as AIRSICKNESS and HAIRSPRINGS. A rarer one is THEIRSELVES. In this set, H is the most frequent open letter (9 words). 4 words contain a doubled letter.

Full list 12

airsicknesshairspringshairstylisthirsutenessmaidenhairsthirstinesswheelchairshairstreakshairstylingfirstfruitsquadrumvirstheirselves

About this list

Words
12 (7 common words)
Common example
airsickness
Rare example
theirselves
Doubled letters
4
Ending in S
10
Most frequent letter
H (9)

Questions

How many 11-letter words containing irs are there?

12. 7 of them are common words.

What is a common example?

AIRSICKNESS is among the common words in this set.