σωφροσύνης πίστην ἔχειν περί τινος → to be persuaded of one's probity
subs.
Ingratitude: P. ἀχαριστία, ἡ.
Forgetfulness: P. and V. λήθη, ἡ.
Odiousness: use P. τὸ ἐπίφθονον.