stilt plover vs kaki

stilt plover and kaki both are nouns.

Word	Noun	Adjective	Verb	Adverb
stilt plover	Yes	No	No	No
kaki	Yes	No	No	No

As nouns, kaki is a hyponym of stilt plover; that is, kaki is a word with a more specific, narrower meaning than stilt plover:

stilt plover: long-legged three-toed black-and-white wading bird of inland ponds and marshes or brackish lagoons
kaki: blackish stilt of New Zealand sometimes considered a color phase of the white-headed stilt

stilt plover (noun)	kaki (noun)
long-legged three-toed black-and-white wading bird of inland ponds and marshes or brackish lagoons	blackish stilt of New Zealand sometimes considered a color phase of the white-headed stilt
	small deciduous Asiatic tree bearing large red or orange edible astringent fruit