eerie / erie 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. 👇
eerie: (adjective) suggestive of the supernatural; mysterious. (adjective) inspiring a feeling of fear; strange and frightening.
erie: (noun) a member of an Iroquoian people formerly living on the south shore of Lake Erie in northern Ohio and northwest Pennsylvania and western New York. (noun) a port city on Lake Erie in northwestern Pennsylvania.
eerie: IH·r·iy
erie: IH·r·iy
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)