deviser / devisor / divisor 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. 👇
deviser: NA
devisor: (noun) someone who devises real property in a will.
divisor: (noun) one of two or more integers that can be exactly divided into another integer. (noun) the number by which a dividend is divided.
deviser: NA
devisor: NA
divisor: d·ih·v·AY·z·er
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)