From archomai; (properly abstract) a commencement, or (concretely) chief (in various applications of order, time, place, or rank) -- beginning, corner, (at the, the) first (estate), magistrate, power, principality, principle, rule.
see GREEK archomai
ἀρχαὶ (archai) − 2 Occurrences
ἀρχαῖς (archais) − 4 Occurrences
ἀρχὰς (archas) − 4 Occurrences
ἀρχὴ (archē) − 12 Occurrences
ἀρχὴν (archēn) − 7 Occurrences
ἀρχῆς (archēs) − 26 Occurrences