FARRIER is a 7 letter word that starts with F.

1. \Far"ri*er\, n. [OE. farrour, ferrer, OF. ferreor,
   ferrier, LL. Ferrator, ferrarius equorum, from ferrare to
   shoe a horse, ferrum a horseshoe, fr. L. ferrum iron. Cf.
   {Ferreous}.]
   1. A shoer of horses; a veterinary surgeon.
   
   

2. \Far"ri*er\, v. i.
   To practice as a farrier; to carry on the trade of a farrier.
   [Obs.] --Mortimer.