acetylene vs oxyacetylene

acetylene and oxyacetylene both are nouns.

Word	Noun	Adjective	Verb	Adverb
acetylene	Yes	No	No	No
oxyacetylene	Yes	No	No	No

acetylene (noun)	oxyacetylene (noun)
a colorless flammable gas used chiefly in welding and in organic synthesis	a mixture of oxygen and acetylene; used to create high temperatures for cutting or welding metals