10-Letter Words Matching ____F__O__

There are 19 10-letter words that match ____F__O__. 3 are common words, such as CONIFEROUS and SCROFULOUS. A rarer one is PROOFROOMS. 3 words contain a doubled letter.

Full list 19

coniferousscrofulousvociferousauriferouschifforobelaniferousluciferousnidifugousossiferouspiliferouspomiferousporiferoussaliferoussebiferoussoniferousviniferousaquiferousoverfavorsproofrooms

About this list

Words
19 (3 common words)
Common example
coniferous
Rare example
proofrooms
Doubled letters
3
Ending in S
18

Questions

How many 10-letter words matching ____f__o__ are there?

19. 3 of them are common words.

What is a common example?

CONIFEROUS is among the common words in this set.