As nouns the difference between fac and fav
is that fac is a large ornamental letter formerly used at the start of a chapter or section of a book while fav is (informal) (us) or'' favourite ''(uk) .
As an adjective fav is
(informal) (us) or'' favourite ''(uk) .
fac
English
Noun
(
en noun)
(military, aviation) Forward air controller.
Flow-accelerated corrosion.
flow-assisted corrosion.
Fellow of the Atlantic Council.
Friday after class.
Fatal accident control.
Anagrams
*
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fav
English
Alternative forms
* fave
Noun
(
en noun)
(informal) (US) or'' favourite ''(UK) .
Adjective
(
en adjective)
(informal) (US) or'' favourite ''(UK) .