serine vs aminoalkanoic acid

serine and aminoalkanoic acid both are nouns.

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

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

serine: a sweetish crystalline amino acid involved in the synthesis by the body of cysteine
aminoalkanoic acid: organic compounds containing an amino group and a carboxylic acid group

Other hypernyms of serine include amino acid.

serine (noun)	aminoalkanoic acid (noun)
a sweetish crystalline amino acid involved in the synthesis by the body of cysteine	organic compounds containing an amino group and a carboxylic acid group