Windsors vs specs

Windsors and specs both are nouns.

Word	Noun	Adjective	Verb	Adverb
Windsors	Yes	No	No	No
specs	Yes	No	No	No

As nouns, specs is a hypernym of Windsors; that is, specs is a word with a broader meaning than Windsors:

Windsors: Eyeglasses with round frames, popularized by John Lennon.
specs: (plural) optical instrument consisting of a frame that holds a pair of lenses for correcting defective vision

Other hypernyms of Windsors include eyeglasses, glasses, spectacles.

Windsors (noun)	specs (noun)
Eyeglasses with round frames, popularized by John Lennon.	(plural) optical instrument consisting of a frame that holds a pair of lenses for correcting defective vision