G1142
δαίμων
demon
δαίμων, -ονος, ὁ, ἡ [in LXX for גַּד, Isa.65:11 (א; δαιμονίῳ, AB) * ;] in cl. and NT = δαιμόνιον; a demon: Mat.8:31.† (AS)
The KJV translates G1142 in the following manner:
devils (8x), devil (2x)
Full Thayer's lexicon entry
δαίμων — daímōn
δαίμων, δαίμονος, ὁ, ἡ;
1. in Greek authors, a god, a goddess; an inferior deity, whether good or bad; hence, ἀγαθοδαιμονες and κακοδαιμονες are distinguished (cf. Winer's Grammar, 23 (22)).
2. In the N. T. an evil spirit (see δαιμόνιον, 2): Mat 8:31; Mar 5:12 (R L); Luk 8:29 (R G L marginal reading); Rev 16:14 (Rec.); (where L T Tr WH δαιμονίων). (B. D. (especially American edition) under the word; cf. δαιμονίζομαι.)
2 occurrences
Matthew (1), Mark (1)