sweet gum vs hazelwood

sweet gum and hazelwood both are nouns.

Word	Noun	Adjective	Verb	Adverb
sweet gum	Yes	No	No	No
hazelwood	Yes	No	No	No

As nouns, sweet gum and hazelwood are synonyms defined as:

sweet gum and hazelwood: reddish-brown wood and lumber from heartwood of the sweet gum tree used to make furniture

Other synonyms of sweet gum include red gum, satin walnut.

sweet gum (noun)	hazelwood (noun)
a North American tree of the genus Liquidambar having prickly spherical fruit clusters and fragrant sap	reddish-brown wood and lumber from heartwood of the sweet gum tree used to make furniture
aromatic exudate from the sweet gum tree
reddish-brown wood and lumber from heartwood of the sweet gum tree used to make furniture