atrazine vs herbicide

atrazine and herbicide both are nouns.

Word	Noun	Adjective	Verb	Adverb
atrazine	Yes	No	No	No
herbicide	Yes	No	No	No

As nouns, herbicide is a hypernym of atrazine; that is, herbicide is a word with a broader meaning than atrazine:

atrazine: a synthetic compound derived from triazine that is widely used as an agricultural herbicide
herbicide: a chemical agent that destroys plants or inhibits their growth

Other hypernyms of atrazine include weed killer, weedkiller.

atrazine (noun)	herbicide (noun)
a synthetic compound derived from triazine that is widely used as an agricultural herbicide	a chemical agent that destroys plants or inhibits their growth