scroll saw vs sawing machine

scroll saw and sawing machine both are nouns.

Word	Noun	Adjective	Verb	Adverb
scroll saw	Yes	No	No	No
sawing machine	Yes	No	No	No

As nouns, sawing machine is a hypernym of scroll saw; that is, sawing machine is a word with a broader meaning than scroll saw:

scroll saw: fine-toothed power saw with a narrow blade; used to cut curved outlines
sawing machine: a power tool for cutting wood

Other hypernyms of scroll saw include power saw, saw.

scroll saw (noun)	sawing machine (noun)
fine-toothed power saw with a narrow blade; used to cut curved outlines	a power tool for cutting wood