liver spot vs macule

liver spot and macule both are nouns.

Word	Noun	Adjective	Verb	Adverb
liver spot	Yes	No	No	No
macule	Yes	No	No	No

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

liver spot: a type of skin disease that causes brown spots on the skin
macule: a patch of skin that is discolored but not usually elevated; caused by various diseases

Other hypernyms of liver spot include macula.

liver spot (noun)	macule (noun)
a type of skin disease that causes brown spots on the skin	a patch of skin that is discolored but not usually elevated; caused by various diseases