αιρετίς

From LSJ

οὕτως καὶ ἡ πίστις, ἐὰν μὴ ἔχῃ ἔργα, νεκρά ἐστιν καθ' ἑαυτήν → so even the Faith, if it does not have deeds, and is on its own, is dead | the Faith without works is dead

Source

Greek Monolingual

αἱρετὶς και αἱρέτις (-ιδος), η (Α)
αυτή που εκλέγει, που διαλέγει.
[ΕΤΥΜΟΛΟΓΙΑ Θηλυκό του αἱρετὴς < αἱροῦμαι].