n.
Function: abbreviation
1 failure
2 false
3 family
4 faraday
5 feast
6 female
7 feminine
8 femto-
9 fermi
10 fine
11 finish
12 fluid; fluidness
13 focal length
14 folio
15 [ f ollowing] and the following one
16 force
17 forte
18 fragile
19 frequency
20 from
21 full