emergence / immergence 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. 👇
emergence: (noun) the gradual beginning or coming forth. (noun) the becoming visible. (noun) the act of emerging.
immergence: NA
emergence: ih·m·ER·jh·ah·n·s
immergence: NA
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)