Nouns

(n)fan, buff, devotee, loveran ardent follower and admirer
(n)buffa soft thick undyed leather from the skins of e.g. buffalo or oxen
(n)buffbare skin“‘swimming in the buff’ means to swim naked”
(n)buff, bufferan implement consisting of soft material mounted on a block; used for polishing (as in manicuring)

Verbs

(v)buffet, buffstrike, beat repeatedly“The wind buffeted him”
(v)buff, burnish, furbishpolish and make shiny“buff the wooden floors”, “buff my shoes”

Adjectives

(s)buffof the yellowish-beige color of buff leather