chemist vs biochemist

chemist and biochemist both are nouns.

Word	Noun	Adjective	Verb	Adverb
chemist	Yes	No	No	No
biochemist	Yes	No	No	No

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

Other hyponyms of chemist include nuclear chemist, radiochemist, phytochemist.

chemist (noun)	biochemist (noun)
a scientist who specializes in chemistry	someone with special training in biochemistry
a health professional trained in the art of preparing and dispensing drugs