Usage: 2 forms in 13 verses
Form Translated As     In Verse(s)
οίφι an ephah LXX.Judg.6.19LXX.Ruth.2.17LXX.1Sam.1.24LXX.2Sam.16.1
ephah LXX.Lev.5.11LXX.Lev.6.20LXX.Num.5.15LXX.Num.15.4LXX.Num.28.5LXX.1Sam.17.17LXX.Ezek.45.13
ephahs LXX.1Sam.25.18
οίφί ephah LXX.Ezek.45.11

Liddell-Scott-Jones

οἰφί (oiphi) an ephah N:N

οἰφί

or οἰφί, τό, an Egypt. measure, = 4 χοίνικες, [Refs 5th c.AD+]; = Hebrew ephah, [LXX]—Cf. οἰφνος· τετραχοίνικον μέτρον, [Refs 9th c.AD+]; also ἶφι (B).

LSJ Scripture Refs: LXX.Lev.5.11