glutamine vs aminoalkanoic acid

glutamine and aminoalkanoic acid both are nouns.

Word	Noun	Adjective	Verb	Adverb
glutamine	Yes	No	No	No
aminoalkanoic acid	Yes	No	No	No

As nouns, aminoalkanoic acid is a hypernym of glutamine; that is, aminoalkanoic acid is a word with a broader meaning than glutamine:

glutamine: a crystalline amino acid occurring in proteins; important in protein metabolism
aminoalkanoic acid: organic compounds containing an amino group and a carboxylic acid group

Other hypernyms of glutamine include amino acid.

glutamine (noun)	aminoalkanoic acid (noun)
a crystalline amino acid occurring in proteins; important in protein metabolism	organic compounds containing an amino group and a carboxylic acid group