cutter vs bolt cutter

cutter and bolt cutter both are nouns.

Word	Noun	Adjective	Verb	Adverb
cutter	Yes	No	No	No
bolt cutter	Yes	No	No	No

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

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

cutter (noun)	bolt cutter (noun)
a cutting implement; a tool for cutting	an implement for cutting bolts
a boat for communication between ship and shore
a sailing vessel with a single mast set further back than the mast of a sloop
someone whose work is cutting (as e.g. cutting cloth for garments)
someone who carves the meat
someone who cuts or carves stone