plant toxin vs curare

plant toxin and curare both are nouns.

Word	Noun	Adjective	Verb	Adverb
plant toxin	Yes	No	No	No
curare	Yes	No	No	No

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

plant toxin: 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 plant toxin include nicotine, strychnine, brucine, hemlock, mycotoxin, tubocurarine.

plant toxin (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