maleo vs megapode

maleo and megapode both are nouns.

Word	Noun	Adjective	Verb	Adverb
maleo	Yes	No	No	No
megapode	Yes	No	No	No

As nouns, megapode is a hypernym of maleo; that is, megapode is a word with a broader meaning than maleo:

maleo: Celebes megapode that lays eggs in holes in sandy beaches
megapode: large-footed short-winged birds of Australasia; build mounds of decaying vegetation to incubate eggs

Other hypernyms of maleo include mound-bird, mound bird, mound builder, scrub fowl.

maleo (noun)	megapode (noun)
Celebes megapode that lays eggs in holes in sandy beaches	large-footed short-winged birds of Australasia; build mounds of decaying vegetation to incubate eggs