Strong's:πλανήτης a rover ("planet"), i.e. (figuratively) an erratic teacherDerivation: from G4108;KJV Usage: wandering. G4108
TBESG:πλανήτηςwanderingG:A πλανήτης, -ου, ὁ (< πλανάω), [in LXX: Hos.9:17 (נָדַד) * ;] = πλάνης, a wanderer: ἀστέρες π. (cl. planets), wandering stars, Ju 13 (WH, mg., -τες).† (AS)
πλανήτης planētēs plan-ay'-tace From G4108; a rover (“planet”), that is, (figuratively) an erratic teacherKJV Usage: wandering.
πλάνος planos plan'-os Of uncertain affinity; roving (as a tramp), that is, (by implication) an impostor or misleaderKJV Usage: deceiver, seducing.
πλάνη planē plan'-ay Feminine of G4108 (as abstraction); objectively fraudulence; subjectively a straying from orthodoxy or pietyKJV Usage: deceit, to deceive, delusion, error.