cot / khat 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. 👇
cot: (noun) a small bed that folds up for storage or transport.
khat: NA
cot: k·AA·t
khat: k·AA·t
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)