urine vs excretory product

urine and excretory product both are nouns.

Word	Noun	Adjective	Verb	Adverb
urine	Yes	No	No	No
excretory product	Yes	No	No	No

As nouns, excretory product is a hypernym of urine; that is, excretory product is a word with a broader meaning than urine:

urine: liquid excretory product
excretory product: waste matter (as urine or sweat but especially feces) discharged from the body

Other hypernyms of urine include body waste, excrement, excreta, excretion.

urine (noun)	excretory product (noun)
liquid excretory product	waste matter (as urine or sweat but especially feces) discharged from the body