12-Letter Words Containing ROO

There are 31 12-letter words that contain ROO. 17 are common words, such as BOMBPROOFING and BULLETPROOFS. A rarer one is WATERPROOFER. In this set, E is the most frequent open letter (26 words). 31 words contain a doubled letter.

Full list 31

Common words

bombproofingbulletproofsburglarproofchildproofeddroopinessesfireproofingflameproofedheatproofingmicrogroovesparatroopersproofreadersproofreading
bombproofingbulletproofsburglarproofchildproofeddroopinessesfireproofingflameproofedheatproofingmicrogroovesparatroopersproofreadersproofreadingrustproofingshatterproofsoundproofedwaterproofedweatherproofcounterproofcrinklerootsmothproofingrootlessnessuprootednessvinegarroonsbroodinessesbroomballersflameproofergreaseproofsmothproofersnonclassroomrootednesseswaterproofer

About this list

Words
31 (17 common words)
Common example
bombproofing
Rare example
waterproofer
Doubled letters
31
Ending in S
14
Most frequent letter
E (26)

Questions

How many 12-letter words containing roo are there?

31. 17 of them are common words.

What is a common example?

BOMBPROOFING is among the common words in this set.