sweater / sweater 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. 👇
sweater: (noun) a crocheted or knitted garment covering the upper part of the body.
sweater: (noun) a crocheted or knitted garment covering the upper part of the body.
sweater: s·w·EH·t·er
sweater: s·w·EH·t·er
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)