ooze vs sapropel

ooze and sapropel both are nouns.

Word	Noun	Adjective	Verb	Adverb
ooze	Yes	No	Yes	No
sapropel	Yes	No	No	No

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

ooze: any thick, viscous matter
sapropel: sludge (rich in organic matter) that accumulates at the bottom of lakes or oceans

ooze (noun)	sapropel (noun)
the process of seeping	sludge (rich in organic matter) that accumulates at the bottom of lakes or oceans
any thick, viscous matter

ooze (verb)	sapropel (verb)
release (a liquid) in drops or small quantities
pass gradually or leak through or as if through small openings