bait / bate 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. 👇
bait: (noun) anything that serves as an enticement. (noun) something used to lure fish or other animals into danger so they can be trapped or killed. (verb) lure, entice, or entrap with bait. (verb) attack with dogs or set dogs upon.
bate: (verb) moderate or restrain; lessen the force of. (verb) flap the wings wildly or frantically; used of falcons. (verb) soak in a special solution to soften and remove chemicals used in previous treatments.
bait: b·EY·t
bate: b·EY·t
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)