blemish vs visual aspect

blemish and visual aspect both are nouns.

Word	Noun	Adjective	Verb	Adverb
blemish	Yes	No	Yes	No
visual aspect	Yes	No	No	No

As nouns, visual aspect is a hypernym of blemish; that is, visual aspect is a word with a broader meaning than blemish:

blemish: a mark or flaw that spoils the appearance of something (especially on a person's body)
visual aspect: outward or visible aspect of a person or thing

Other hypernyms of blemish include appearance.

blemish (noun)	visual aspect (noun)
a mark or flaw that spoils the appearance of something (especially on a person's body)	outward or visible aspect of a person or thing

blemish (verb)	visual aspect (verb)
add a flaw or blemish to; make imperfect or defective
mar or impair with a flaw
mar or spoil the appearance of