phytotoxin vs curare

phytotoxin and curare both are nouns.

Word	Noun	Adjective	Verb	Adverb
phytotoxin	Yes	No	No	No
curare	Yes	No	No	No

As nouns, curare is a hyponym of phytotoxin; that is, curare is a word with a more specific, narrower meaning than phytotoxin:

phytotoxin: any substance produced by plants that is similar in its properties to extracellular bacterial toxin
curare: a toxic alkaloid found in certain tropical South American trees that is a powerful relaxant for striated muscles

Other hyponyms of phytotoxin include nicotine, strychnine, brucine, hemlock, mycotoxin, tubocurarine.

phytotoxin (noun)	curare (noun)
any substance produced by plants that is similar in its properties to extracellular bacterial toxin	a toxic alkaloid found in certain tropical South American trees that is a powerful relaxant for striated muscles