Usage: 6 forms in 30 verses
Form Translated As     In Verse(s)
πυρών of wheat LXX.Exod.29.2LXX.Exod.34.22LXX.Judg.15.1LXX.1Sam.6.13LXX.1Sam.12.17
wheat LXX.Gen.30.14LXX.Ruth.2.23LXX.Ezek.45.13
πυρόσ wheat LXX.Exod.9.32
πυρόν grain LXX.1Chr.21.23
wheat LXX.Isa.28.25
πυρούσ wheat LXX.Judg.6.11LXX.2Sam.4.6LXX.2Sam.17.28LXX.1Chr.21.20LXX.Ezra.6.9LXX.Jer.12.13LXX.Ezek.4.9
πυρού of wheat LXX.Deut.8.8LXX.Deut.32.14LXX.1Kgs.5.11LXX.2Chr.2.10LXX.2Chr.27.5LXX.Ezra.7.22LXX.Job.31.40LXX.Ps.81.16LXX.Ps.147.14
wheat LXX.Neh.13.12LXX.Joel.1.11
πυροί wheat LXX.Jer.41.8

Liddell-Scott-Jones

πυρός (puros) wheat TEGMC

πυρός

(in dialects also σπυρός (which see)), , wheat, Triticum vulgare, μελίφρονα, μελιηδέα πυρόν, [Refs 8th c.BC+]; κατὰ πυρὸν ἄλεσσαν ground it, [Refs 8th c.BC+]; given to geese, [Refs]: plural, with other grains, πυροί τε ζειαί τε ἰδ᾽ εὐρυφυὲς κρῖ λευκόν [Refs 8th c.BC+]

__2 a grain of wheat, ἐξ ἑνὸς πυροῦ εἷς πυθμήν [Refs 4th c.BC+]
__3 π. ἄγριος,= χελιδόνιον τὸ μικρόν, [Refs 1st c.AD+]. (Cf. Lithuanian pūraĩ (plural) 'wheat', and perhaps πυρήν.)