eyeglass vs lense

eyeglass and lense both are nouns.

Word	Noun	Adjective	Verb	Adverb
eyeglass	Yes	No	No	No
lense	Yes	No	No	No

As nouns, lense is a hypernym of eyeglass; that is, lense is a word with a broader meaning than eyeglass:

eyeglass: lens for correcting defective vision in one eye; held in place by facial muscles
lense: a transparent optical device used to converge or diverge transmitted light and to form images

Other hypernyms of eyeglass include lens, lens system.

eyeglass (noun)	lense (noun)
lens for correcting defective vision in one eye; held in place by facial muscles	a transparent optical device used to converge or diverge transmitted light and to form images