Windsor spectacles vs John Lennon eyeglasses

Windsor spectacles and John Lennon eyeglasses both are nouns.

Word	Noun	Adjective	Verb	Adverb
Windsor spectacles	Yes	No	No	No
John Lennon eyeglasses	Yes	No	No	No

As nouns, Windsor spectacles and John Lennon eyeglasses are synonyms defined as:

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

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

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