Vine's Expository Dictionary: View Entry
πολλάκις pollákis, pol-lak'-is; multiplicative adverb from G4183; many times, i.e. frequently:—oft(-en, -entimes, -times).
The KJV translates Strong's G4178 in the following manner: often (7x), oft (5x), ofttimes (3x), oftentimes (3x).
often, frequently
Strong's Number G4178 matches the Greek πολλάκις (pollakis),
which occurs 18 times in 16 verses
in the TR Greek.