sugar palm vs sago palm

sugar palm and sago palm both are nouns.

Word	Noun	Adjective	Verb	Adverb
sugar palm	Yes	No	No	No
sago palm	Yes	No	No	No

As nouns, sago palm is a hypernym of sugar palm; that is, sago palm is a word with a broader meaning than sugar palm:

sugar palm: Malaysian feather palm with base densely clothed with fibers; yields a sweet sap used in wine and trunk pith yields sago
sago palm: any of various tropical Asian palm trees the trunks of which yield sago

sugar palm (noun)	sago palm (noun)
Malaysian feather palm with base densely clothed with fibers; yields a sweet sap used in wine and trunk pith yields sago	any of various tropical Asian palm trees the trunks of which yield sago
	dwarf palmlike cycad of Japan that yields sago