εἰπὼν ἃ θέλεις, ἀντάκουε ἃ μὴ θέλεις → if you say what you want, hear in response what you don't want
ἀκέστωρ, ἀκεστής, ἀλθεύς, ἰατήρ, ἰατής, ἰατρός, ἰητήρ, ἰητρός, νοσηλεύσας, νοσηλεύων