τούτων γάρ ἑκάτερον κοινῷ ὀνόματι προσαγορεύεται ζῷον, καί ὁ λόγος δέ τῆς οὐσίας ὁ αὐτός → and these are univocally so named, inasmuch as not only the name, but also the definition, is the same in both cases (Aristotle, Categoriae 1a8-10)
subs.
V. ἀμύντωρ, ὁ.
Guard: P. and V. φύλαξ, ὁ or ἡ, φρουρός, ὁ.
Champion: P. and V. προστάτης, ὁ.