meconium vs ordure

meconium and ordure both are nouns.

Word	Noun	Adjective	Verb	Adverb
meconium	Yes	No	No	No
ordure	Yes	No	No	No

As nouns, ordure is a hypernym of meconium; that is, ordure is a word with a broader meaning than meconium:

meconium: thick dark green mucoid material that is the first feces of a newborn child
ordure: solid excretory product evacuated from the bowels

Other hypernyms of meconium include BM, dejection, faecal matter, faeces, fecal matter, feces, stool.

meconium (noun)	ordure (noun)
thick dark green mucoid material that is the first feces of a newborn child	solid excretory product evacuated from the bowels