bees / bise are similar-sounding terms with different meanings (referred to as homophones). To better understand the differences, see below for definitions, pronunciation guides, and example sentences using each term. 👇
bees: (noun) any of numerous hairy-bodied insects including social and solitary species. (noun) a social gathering to carry out some communal task or to hold competitions.
bise: (noun) a dry cold north wind in southeastern France.
bees: b·IY·z
bise: b·AY·z
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)