clinker brick vs clinker

clinker brick and clinker both are nouns.

Word	Noun	Adjective	Verb	Adverb
clinker brick	Yes	No	No	No
clinker	Yes	No	Yes	No

As nouns, clinker brick and clinker are synonyms defined as:

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

clinker brick (verb)	clinker (verb)
	turn to clinker or form clinker under excessive heat in burning
	clear out the cinders and clinker from