much / mutch 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. 👇
much: (noun) a great amount or extent. (adjective) (quantifier used with mass nouns) great in quantity or degree or extent. (adverb) to a great degree or extent. (adverb) very. (adverb) (degree adverb used before a noun phrase) for all practical purposes but not completely. (adverb) frequently or in great quantities.
mutch: NA
much: m·AH·ch
mutch: m·AH·ch
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)