Vine's Expository Dictionary: View Entry
TDNT Reference: 6:781,952
ψευδοπροφήτης pseudoprophḗtēs, psyoo-dop-rof-ay'-tace; from G5571 and G4396; a spurious prophet, i.e. pretended foreteller or religious impostor:—false prophet.
The KJV translates Strong's G5578 in the following manner: false prophet (11x).
one who, acting the part of a divinely inspired prophet, utters falsehoods under the name of divine prophecies
a false prophet
Strong's Number G5578 matches the Greek ψευδοπροφήτης (pseudoprophētēs),
which occurs 11 times in 11 verses
in the TR Greek.