cutlery vs glass cutter

cutlery and glass cutter both are nouns.

Word	Noun	Adjective	Verb	Adverb
cutlery	Yes	No	No	No
glass cutter	Yes	No	No	No

As nouns, glass cutter is a hyponym of cutlery; that is, glass cutter is a word with a more specific, narrower meaning than cutlery:

Other hyponyms of cutlery include bolt cutter, cigar cutter, die, edge tool, tile cutter.

cutlery (noun)	glass cutter (noun)
tableware implements for cutting and eating food	a tool for cutting glass
a cutting implement; a tool for cutting	someone who cuts flat glass to size
	someone who cuts or grinds designs on glass