alanine vs aminoalkanoic acid

alanine and aminoalkanoic acid both are nouns.

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

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

alanine: a crystalline amino acid that occurs in many proteins
aminoalkanoic acid: organic compounds containing an amino group and a carboxylic acid group

Other hypernyms of alanine include amino acid.

alanine (noun)	aminoalkanoic acid (noun)
a crystalline amino acid that occurs in many proteins	organic compounds containing an amino group and a carboxylic acid group