glucose vs glucosamine

glucose and glucosamine both are nouns.

Word	Noun	Adjective	Verb	Adverb
glucose	Yes	No	No	No
glucosamine	Yes	No	No	No

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

glucose: a monosaccharide sugar that has several forms; an important source of physiological energy
glucosamine: an amino derivative of glucose that is a component of many polysaccharides

Other hyponyms of glucose include corn sugar, dextroglucose, dextrose, grape sugar, blood glucose, blood sugar.

glucose (noun)	glucosamine (noun)
a monosaccharide sugar that has several forms; an important source of physiological energy	an amino derivative of glucose that is a component of many polysaccharides