weewee vs body waste

weewee and body waste both are nouns.

Word	Noun	Adjective	Verb	Adverb
weewee	Yes	No	No	No
body waste	Yes	No	No	No

As nouns, body waste is a hypernym of weewee; that is, body waste is a word with a broader meaning than weewee:

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

Other hypernyms of weewee include excrement, excreta, excretion, excretory product.

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