coalesce vs clog

coalesce is not a noun while clog is a noun.

Word	Noun	Adjective	Verb	Adverb
coalesce	No	No	Yes	No
clog	Yes	No	Yes	No

As verbs, clog is a hyponym of coalesce; that is, clog is a word with a more specific, narrower meaning than coalesce:

Other hyponyms of coalesce include clot.

coalesce (noun)	clog (noun)
	a dance performed while wearing shoes with wooden soles; has heavy stamping steps
	any object that acts as a hindrance or obstruction
	footwear usually with wooden soles

coalesce (verb)	clog (verb)
mix together different elements	impede with a clog or as if with a clog
fuse or cause to grow together	fill to excess so that function is impaired
	coalesce or unite in a mass
	become or cause to become obstructed
	impede the motion of, as with a chain or a burden
	dance a clog dance