equivalence / equivalents 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. 👇
equivalence: (noun) essential equality and interchangeability.
equivalents: (noun) a person or thing equal to another in value or measure or force or effect or significance etc. (noun) the atomic weight of an element that has the same combining capacity as a given weight of another element; the standard is 8 for oxygen.
equivalence: ih·k·w·IH·v·ah·l·ah·n·s
equivalents: ih·k·w·IH·v·ah·l·ah·n·t·s
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)