treason
From LSJ
ἔκστασίς τίς ἐστιν ἐν τῇ γενέσει τὸ παρὰ φύσιν τοῦ κατὰ φύσιν → what is contrary to nature is any developmental aberration from what is in accord with nature (Aristotle, On the Heavens 286a19)
English > Greek (Woodhouse)
subs.
Treachery: P. and V. ἀπιστία, ἡ.
Betrayal: P. and V. προδοσία, ἡ (Eur., Hel. 1633).
Plot: P. ἐπιβουλή, ἡ.
Plot to upset the gevernment: P. νεωτερισμός, ὁ.