flogger vs scourger

flogger and scourger both are nouns.

Word	Noun	Adjective	Verb	Adverb
flogger	Yes	No	No	No
scourger	Yes	No	No	No

As nouns, flogger and scourger are synonyms defined as:

flogger and scourger: a torturer who flogs or scourges (especially an official whose duty is to whip offenders)

flogger (noun)	scourger (noun)
a torturer who flogs or scourges (especially an official whose duty is to whip offenders)	a torturer who flogs or scourges (especially an official whose duty is to whip offenders)