ἀντιστοιχία

A. standing opposite in pairs, τῶν ποδῶν Arist. Pr. 894a19; πραγμάτων Plu. 2.474a.

II. of letters, correspondence, of the relation of tenuis, media, and aspirate to each other, Ascl.Myrl. ap. Ath. 11.501b.