12-Letter Words Containing IQ

There are 18 12-letter words that contain IQ. 9 are common words, such as ANTIQUARIANS and CLIQUISHNESS. A rarer one is RELIQUEFYING. In this set, U is the most frequent open letter (18 words). 4 words contain a doubled letter.

Full list 18

antiquarianscliquishnessdeliquescentdeliquescinginiquitouslyliquefactionliquidationsubiquitouslyuniquenessesbiquadraticsliquefacientliquefactiveliquidambarsliquidnessesubiquitarianantiquationsbiuniquenessreliquefying

About this list

Words
18 (9 common words)
Common example
antiquarians
Rare example
reliquefying
Doubled letters
4
Ending in S
9
Most frequent letter
U (18)

Questions

How many 12-letter words containing iq are there?

18. 9 of them are common words.

What is a common example?

ANTIQUARIANS is among the common words in this set.