moan / mown 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. 👇
moan: NA
mown: (verb) cut with a blade or mower. (adjective) (used of grass or vegetation) cut down with a hand implement or machine.
moan: m·OW·n
mown: NA
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)