sleave / sleeve 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. 👇
sleave: NA
sleeve: (noun) the part of a garment that is attached at the armhole and that provides a cloth covering for the arm. (noun) small case into which an object fits.
sleave: NA
sleeve: s·l·IY·v
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)