ἀνελεεινός

From LSJ

ζηλοῦτε δὲ τὰ χαρίσματα τὰ μείζονα. Καὶ ἔτι καθ᾽ ὑπερβολὴν ὁδὸν ὑμῖν δείκνυμι (1 Corinthians 12:31) → But go ahead and strive for the greater gifts. And I'm about to show you a still more excellent way.

Source

Spanish (DGE)

-όν
cruel, despiadado καὶ τί ἄρα τούτου ἀνελεεινότερον; Chrys.M.60.741.