Extended Strong's Greek Lexicon (Abbott-Smith based)
fever
Usage: πυρετός, -οῦ, ὁ (πῦρ) [in LXX: Deu.28:22 (קַדַּחַת) * ;] a fever: Mat.8:15, Mrk.1:31, Luk.4:39, Jhn.4:52, Act.28:8; π. μέγας, a high fever: Luk.4:38 (on the technical phrase here, see MM, xxii).† (AS)