Windsors vs Windsor eyeglasses

Windsors and Windsor eyeglasses both are nouns.

Word	Noun	Adjective	Verb	Adverb
Windsors	Yes	No	No	No
Windsor eyeglasses	Yes	No	No	No

As nouns, Windsors and Windsor eyeglasses are synonyms defined as:

Windsors and Windsor eyeglasses: Eyeglasses with round frames, popularized by John Lennon.

Other synonyms of Windsors include John Lennon eyeglasses, Lennon Specs, Windsor spectacles.

Windsors (noun)	Windsor eyeglasses (noun)
Eyeglasses with round frames, popularized by John Lennon.	Eyeglasses with round frames, popularized by John Lennon.