androgen vs nandrolone

androgen and nandrolone both are nouns.

Word	Noun	Adjective	Verb	Adverb
androgen	Yes	No	No	No
nandrolone	Yes	No	No	No

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

androgen: male sex hormone that is produced in the testes and responsible for typical male sexual characteristics
nandrolone: an androgen (trade names Durabolin or Kabolin) that is used to treat testosterone deficiency or breast cancer or osteoporosis

Other hyponyms of androgen include androsterone, methyltestosterone, Durabolin, Kabolin, testosterone.

androgen (noun)	nandrolone (noun)
male sex hormone that is produced in the testes and responsible for typical male sexual characteristics	an androgen (trade names Durabolin or Kabolin) that is used to treat testosterone deficiency or breast cancer or osteoporosis