Strong's Greek #500
ἀντίχριστοι

Englishman's Concordance (References)

ἀντίχριστοι antichristoi — 1 Occurrence

1 John 2:18 - N-NMP
GRK:καὶ νῦν ἀντίχριστοι πολλοὶ γεγόνασιν
NAS: many antichrists have appeared;
KJV: many antichrists; whereby
INT: even now antichrists many have arisen