Lennon Specs vs eyeglasses

Lennon Specs and eyeglasses both are nouns.

Word	Noun	Adjective	Verb	Adverb
Lennon Specs	Yes	No	No	No
eyeglasses	Yes	No	No	No

As nouns, eyeglasses is a hypernym of Lennon Specs; that is, eyeglasses is a word with a broader meaning than Lennon Specs:

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

Other hypernyms of Lennon Specs include glasses, specs, spectacles.

Lennon Specs (noun)	eyeglasses (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