Abbott-Smith Manual Greek Lexicon
ἀπιστία (G570)
11 ** ἀπιστία , -ας, ἡ ( ἄπιστος ), [in LXX: Wi 14:25 , IV Mac 12:4 *;] want of faith , unbelief : Mt 13:58 , Mk 6:6 9:24 16:14 , Ro 3:3 (but v.s. ἀπιστέω ) Ro 4:20 11:20 , 23 , I Ti 1:13 , He 3:12 , 19 ( DCG , ii, 775 a ; Cremer, 492).†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain