excrement vs piddle

excrement and piddle both are nouns.

Word	Noun	Adjective	Verb	Adverb
excrement	Yes	No	No	No
piddle	Yes	No	Yes	No

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

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

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

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