glasses vs specs

glasses and specs both are nouns.

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

As nouns, glasses and specs are synonyms defined as:

glasses and specs: (plural) optical instrument consisting of a frame that holds a pair of lenses for correcting defective vision

Other synonyms of glasses include eyeglasses, spectacles.

glasses (noun)	specs (noun)
(plural) optical instrument consisting of a frame that holds a pair of lenses for correcting defective vision	(plural) optical instrument consisting of a frame that holds a pair of lenses for correcting defective vision