clear out vs clinker

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

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

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

clear 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

clear out (verb)	clinker (verb)
empty completely	turn to clinker or form clinker under excessive heat in burning
clear out the chest and lungs	clear out the cinders and clinker from
move out and leave nothing behind