Himantopus novae-zelandiae vs kaki

Himantopus novae-zelandiae and kaki both are nouns.

Word	Noun	Adjective	Verb	Adverb
Himantopus novae-zelandiae	Yes	No	No	No
kaki	Yes	No	No	No

As nouns, Himantopus novae-zelandiae and kaki are synonyms defined as:

Himantopus novae-zelandiae and kaki: blackish stilt of New Zealand sometimes considered a color phase of the white-headed stilt

Himantopus novae-zelandiae (noun)	kaki (noun)
blackish stilt of New Zealand sometimes considered a color phase of the white-headed stilt	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