This root form (lemma) is used in 2 different forms in the NT: κακοποιὸς (NMS), κακοποιῶν (GMP).
It is glossed in 4 different ways: ‘an evildoer’, ‘of evildoers’, ‘to evildoers’, ‘evildoers’.
OET 1PET 2:12 Greek word=κακοποιῶν (kakopoiōn) Morphology=GMP English gloss=‘of evildoers’ SR GNT 1PET 2:12 word 19
OET 1PET 2:14 Greek word=κακοποιῶν (kakopoiōn) Morphology=GMP English gloss=‘to evildoers’ SR GNT 1PET 2:14 word 10
OET 1PET 3:16 Greek word=κακοποιῶν (kakopoiōn) Morphology=GMP English gloss=‘evildoers’ SR GNT 1PET 3:16 word 17
OET 1PET 4:15 Greek word=κακοποιὸς (kakopoios) Morphology=NMS English gloss=‘an evildoer’ SR GNT 1PET 4:15 word 14