G2635
καταλαλέω
to slander
κατα-λαλέω, -ῶ [in LXX chiefly for דָבַר ni., pi. ;] to speak evil of, rail at: in cl., with accusative; in LXX, __(a) with genitive, __(b) before κατά, with genitive; in NT, with genitive (M, Pr., 65): Jas.4:11, 1Pe.2:12; pass., 1Pe.3:16,† (AS)
The KJV translates G2635 in the following manner:
evil (8x), against (2x), Speak (2x)
Full Thayer's lexicon entry
καταλαλέω — katalaléō
καταλαλέω, καταλάλω; to speak against one, to criminate, traduce: τίνος (in classical Greek mostly with the accusative; in the Sept. chiefly followed by κατά τίνος), Jas 4:11; 1Pe 2:12; 1Pe 3:16 (here T Tr marginal reading WH, ἐν ᾧ καταλαλεῖσθε, wherein ye are spoken against).
3 occurrences
James (1), I Peter (2)