beat / beet 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. 👇
beat: (noun) a regular route for a sentry or policeman. (noun) a single pulsation of an oscillation produced by adding two waves of different frequencies; has a frequency equal to the difference between the two oscillations. (noun) the sound of stroke or blow. (noun) a regular rate of repetition. (noun) a stroke or blow. (noun) the act of beating to windward; sailing as close as possible to the direction from which the wind is blowing. (verb) come out better in a competition, race, or conflict. (verb) give a beating to; subject to a beating, either as a punishment or as an act of aggression. (verb) hit repeatedly. (verb) move rhythmically. (verb) shape by beating. (verb) glare or strike with great intensity. (verb) move with a thrashing motion. (verb) sail with much tacking or with difficulty. (verb) stir vigorously. (verb) strike (a part of one's own body) repeatedly, as in great emotion or in accompaniment to music. (verb) be superior. (verb) avoid paying. (verb) move with a flapping motion. (verb) indicate by beating, as with the fingers or drumsticks. (verb) make by pounding or trampling. (verb) produce a rhythm by striking repeatedly. (verb) strike (water or bushes) repeatedly to rouse animals for hunting.
beet: (noun) biennial Eurasian plant usually having a swollen edible root; widely cultivated as a food crop. (noun) round red root vegetable.
beat: b·IY·t
beet: b·IY·t
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)