gruel vs congee

gruel and congee both are nouns.

Word	Noun	Adjective	Verb	Adverb
gruel	Yes	No	No	No
congee	Yes	No	Yes	No

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

Other hyponyms of gruel include jook, skilly, loblolly.

gruel (noun)	congee (noun)
a thin porridge (usually oatmeal or cornmeal)	formal permission to depart
	an abrupt and unceremonious dismissal
	(architecture) a concave molding
	a Chinese rice gruel eaten for breakfast

gruel (verb)	congee (verb)
	perform a ceremonious bow
	depart after obtaining formal permission