G1506–εἰλικρινής–eilikrinēs

for your proving the things that differ, that ye may be pure and offenceless -- to a day of Christ,

εἰλικρινεῖς eilikrineis “pure”

This, now, beloved, a second letter to you I write, in both which I stir up your pure mind in reminding `you',

εἰλικρινῆ eilikrinē “pure”