Home › Words › D › diarchdiarchdiarch · noun — either of the two rulers in a diarchy.Definition from Wiktionary (CC BY-SA 3.0).EtymologyFrom di- + -arch.nounEither of the two rulers in a diarchy.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.diarchic 83% match — Of or relating to a diarchy or diarchal system. vs diarch →diarchy 80% match — Rule by two people. vs diarch →diarchical 80% match — of or pertaining to a diarchy. vs diarch →diarchal 79% match — Relating to, or pertaining to, diarchy or a diarchy system vs diarch →duarchy 79% match — A government by two persons. vs diarch →biarchy 77% match — Synonym of diarchy: rule by two people. vs diarch →duumvirate 75% match — Synonym of diarchy: rule by two people, especially two men. vs diarch →binarchy 64% match — Synonym of biarchy. vs diarch →