Usage: 2 forms in 8 verses
Form Translated As     In Verse(s)
αγχιστεύσ a relative LXX.Ruth.3.9LXX.Ruth.3.12LXX.Ruth.3.12
relative LXX.Ruth.4.1LXX.Ruth.4.6LXX.Ruth.4.8
αγχιστέα a relative LXX.Ruth.4.14LXX.2Sam.14.11

Liddell-Scott-Jones

ἀγχιστεύς (agchisteus) a relative G:N

ἀγχιστεύς-εύς, έως, ,

mostly in plural ἀγχιστεύςεῖς, next of kin, of nations, [Refs 5th c.BC+]:—heir-at-law, [LXX] (with variant ἀγχιστεύς-ευτής,[Refs 2nd c.AD+]

LSJ Scripture Refs: LXX.Ruth.3.9