chance / chants 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. 👇
chance: (noun) a risk involving danger. (verb) be the case by chance.
chants: (noun) a repetitive song in which as many syllables as necessary are assigned to a single tone. (verb) recite with musical intonation; recite as a chant or a psalm.
chance: ch·AE·n·s
chants: ch·AE·n·t·s
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)