freckle vs macule

freckle and macule both are nouns.

Word	Noun	Adjective	Verb	Adverb
freckle	Yes	No	Yes	No
macule	Yes	No	No	No

As nouns, macule is a hypernym of freckle; that is, macule is a word with a broader meaning than freckle:

freckle: a small brownish spot (of the pigment melanin) on the skin
macule: a patch of skin that is discolored but not usually elevated; caused by various diseases

Other hypernyms of freckle include macula.

freckle (noun)	macule (noun)
a small brownish spot (of the pigment melanin) on the skin	a patch of skin that is discolored but not usually elevated; caused by various diseases

freckle (verb)	macule (verb)
mark with freckles
become freckled