spots vs muscae volitantes

spots and muscae volitantes both are nouns.

Word	Noun	Adjective	Verb	Adverb
spots	Yes	No	No	No
muscae volitantes	Yes	No	No	No

As nouns, spots and muscae volitantes are synonyms defined as:

spots and muscae volitantes: spots before the eyes caused by opaque cell fragments in the vitreous humor and lens

Other synonyms of spots include floater, musca volitans.

spots (noun)	muscae volitantes (noun)
spots before the eyes caused by opaque cell fragments in the vitreous humor and lens	spots before the eyes caused by opaque cell fragments in the vitreous humor and lens