shades vs sunglasses

shades and sunglasses both are nouns.

Word	Noun	Adjective	Verb	Adverb
shades	Yes	No	No	No
sunglasses	Yes	No	No	No

As nouns, shades and sunglasses are synonyms defined as:

shades and sunglasses: (plural) spectacles that are darkened or polarized to protect the eyes from the glare of the sun

Other synonyms of shades include dark glasses.

shades (noun)	sunglasses (noun)
(plural) spectacles that are darkened or polarized to protect the eyes from the glare of the sun	(plural) spectacles that are darkened or polarized to protect the eyes from the glare of the sun
(plural) something that reminds you of someone or something