ileum / ilium 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. 👇
ileum: (noun) the part of the small intestine between the jejunum and the cecum.
ilium: (noun) the upper and widest of the three bones making up the hipbone.
ileum: NA
ilium: NA
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)