lay / lei / ley 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. 👇
lay: (verb) put in a horizontal position. (verb) prepare or position for action or operation. (verb) lay eggs. (verb) impose as a duty, burden, or punishment. (adjective) not of or from a profession.
lei: NA
ley: NA
lay: l·EY
lei: l·EY
ley: l·EY
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)