felon vs whitlow

felon and whitlow both are nouns.

Word	Noun	Adjective	Verb	Adverb
felon	Yes	No	No	No
whitlow	Yes	No	No	No

As nouns, felon and whitlow are synonyms defined as:

felon and whitlow: a purulent infection at the end of a finger or toe in the area surrounding the nail

felon (noun)	whitlow (noun)
someone who has committed a crime or has been legally convicted of a crime	a purulent infection at the end of a finger or toe in the area surrounding the nail
a purulent infection at the end of a finger or toe in the area surrounding the nail