shades vs spectacles

shades and spectacles both are nouns.

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

As nouns, spectacles is a hypernym of shades; that is, spectacles is a word with a broader meaning than shades:

shades: (plural) spectacles that are darkened or polarized to protect the eyes from the glare of the sun
spectacles: (plural) optical instrument consisting of a frame that holds a pair of lenses for correcting defective vision

Other hypernyms of shades include eyeglasses, glasses, specs.

shades (noun)	spectacles (noun)
(plural) spectacles that are darkened or polarized to protect the eyes from the glare of the sun	(plural) optical instrument consisting of a frame that holds a pair of lenses for correcting defective vision
(plural) something that reminds you of someone or something