11-Letter Words Containing OOF

There are 20 11-letter words that contain OOF. 12 are common words, such as ALOOFNESSES and BOMBPROOFED. A rarer one is TAMPERPROOF. 20 words contain a doubled letter.

Full list 20

aloofnessesbombproofedbulletproofchildproofsfireproofedflameproofsgoofinessesheatproofedproofreaderrustproofedsoundproofswaterproofscreaseproofgreaseproofmothproofedmothproofershowerproofairproofingpilferprooftamperproof

About this list

Words
20 (12 common words)
Common example
aloofnesses
Rare example
tamperproof
Doubled letters
20
Ending in S
6

Questions

How many 11-letter words containing oof are there?

20. 12 of them are common words.

What is a common example?

ALOOFNESSES is among the common words in this set.