coat / cote 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. 👇
coat: (noun) an outer garment that has sleeves and covers the body from shoulder down; worn outdoors. (noun) growth of hair or wool or fur covering the body of an animal. (verb) put a coat on; cover the surface of; furnish with a surface. (verb) cover or provide with a coat. (verb) form a coat over.
cote: (noun) a small shelter for domestic animals (as sheep or pigeons).
coat: k·OW·t
cote: k·OW·t
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)