This root form (lemma) is used in 2 different forms in the NT: αἰφνίδιος (NFS), αἰφνίδιος (NMS).
It is glossed in 1 way: ‘sudden’.
OET LUKE 21:34 Greek word=αἰφνίδιος (aifnidios) Morphology=NFS English gloss=‘sudden’ SR GNT LUKE 21:34 word 24
OET 1TH 5:3 Greek word=αἰφνίδιος (aifnidios) Morphology=NMS English gloss=‘sudden’ SR GNT 1TH 5:3 word 9