clean out vs clinker

clean out is not a noun while clinker is a noun.

Word	Noun	Adjective	Verb	Adverb
clean out	No	No	Yes	No
clinker	Yes	No	Yes	No

As verbs, clinker is a hyponym of clean out; that is, clinker is a word with a more specific, narrower meaning than clean out:

clean out (noun)	clinker (noun)
	a hard brick used as a paving stone
	a fragment of incombustible matter left after a wood or coal or charcoal fire

clean out (verb)	clinker (verb)
empty completely	turn to clinker or form clinker under excessive heat in burning
deprive completely of money or goods	clear out the cinders and clinker from
to eject from somewhere