coaming / combing 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. 👇
coaming: (noun) a raised framework around a hatchway on a ship to keep water out.
combing: NA
coaming: NA
combing: k·OW·m·ih·ng
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)