cognate
From LSJ
εἰπὼν ἃ θέλεις, ἀντάκουε ἃ μὴ θέλεις → if you say what you want, hear in response what you don't want
related by blood: P. and V. συγγενής, οἰκεῖος, ἀναγκαῖος, προσήκων; see kindred.
Met., of things: P. and V. συγγενής, ἀδελφός, προσήκων, P. σύννομος.