glass cutter vs cutting tool

glass cutter and cutting tool both are nouns.

Word	Noun	Adjective	Verb	Adverb
glass cutter	Yes	No	No	No
cutting tool	Yes	No	No	No

As nouns, cutting tool is a hypernym of glass cutter; that is, cutting tool is a word with a broader meaning than glass cutter:

Other hypernyms of glass cutter include cutlery, cutter.

glass cutter (noun)	cutting tool (noun)
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