kaki vs stilt plover

kaki and stilt plover both are nouns.

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

As nouns, stilt plover is a hypernym of kaki; that is, stilt plover is a word with a broader meaning than kaki:

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

Other hypernyms of kaki include Himantopus stilt, long-legs, longlegs, stilt, stiltbird.

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