albumin vs ricin toxin

albumin and ricin toxin both are nouns.

Word	Noun	Adjective	Verb	Adverb
albumin	Yes	No	No	No
ricin toxin	Yes	No	No	No

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

albumin: a simple water-soluble protein found in many animal tissues and liquids
ricin toxin: a toxic protein extracted from castor beans; used as a chemical reagent; can be used as a bioweapon

Other hyponyms of albumin include ricin, lactalbumin, serum albumin.

albumin (noun)	ricin toxin (noun)
a simple water-soluble protein found in many animal tissues and liquids	a toxic protein extracted from castor beans; used as a chemical reagent; can be used as a bioweapon