leas / lees 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. 👇
leas: (noun) a unit of length of thread or yarn.
lees: (noun) the sediment from fermentation of an alcoholic beverage.
leas: l·IY·z
lees: l·IY·z
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)