12-Letter Words Containing FIR

There are 15 12-letter words that contain FIR. 8 are common words, such as AFFIRMATIONS and AFFIRMATIVES. A rarer one is DISCONFIRMED. 4 words contain a doubled letter.

Full list 15

affirmationsaffirmativesconfirmationfirecrackersfirefightersfirefightingfireproofingreconfirmingconfirmatoryfirebombingsfirelighterscounterfiredcounterfiresdisaffirmingdisconfirmed

About this list

Words
15 (8 common words)
Common example
affirmations
Rare example
disconfirmed
Doubled letters
4
Ending in S
7

Questions

How many 12-letter words containing fir are there?

15. 8 of them are common words.

What is a common example?

AFFIRMATIONS is among the common words in this set.