piddle vs body waste

piddle and body waste both are nouns.

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

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

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

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

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

piddle (verb)	body waste (verb)
eliminate urine
waste time; spend one's time idly or inefficiently