macular area vs yellow spot

macular area and yellow spot both are nouns.

Word	Noun	Adjective	Verb	Adverb
macular area	Yes	No	No	No
yellow spot	Yes	No	No	No

As nouns, macular area and yellow spot are synonyms defined as:

macular area and yellow spot: a small yellowish central area of the retina that is rich in cones and that mediates clear detailed vision

Other synonyms of macular area include macula, macula lutea.

macular area (noun)	yellow spot (noun)
a small yellowish central area of the retina that is rich in cones and that mediates clear detailed vision	a small yellowish central area of the retina that is rich in cones and that mediates clear detailed vision
	any of several fungous or viral diseases characterized by yellow spotting on the leaves