Abbott-Smith Manual Greek Lexicon
ἑξήκοντα (G1835)
9 ἑξήκοντα , οἱ, αἱ, τά indecl., sixty : Mt 13:8 , 23 , Mk 4:8 , 20 , Lk 24:13 , I Ti 5:9 , Re 11:3 12:6 13:18 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain