ξυνῆλθεν ἀτταγᾶς τε καὶ νουμήνιος → birds of a feather flock together, the francolin and the new-moon bird get together
P. φιλόπονος, φιλεργός.
careful: P. and V. ἐπιμελής (Sophocles, Fragment).
zealous: P. and V. πρόθυμος, σπουδαῖος (Sophocles, Fragment).