scrap vs single combat

scrap and single combat both are nouns.

Word	Noun	Adjective	Verb	Adverb
scrap	Yes	No	Yes	No
single combat	Yes	No	No	No

As nouns, single combat is a hyponym of scrap; that is, single combat is a word with a more specific, narrower meaning than scrap:

scrap (noun)	single combat (noun)
the act of fighting; any contest or struggle	a fight between two people
a small piece of something that is left over after the rest has been used
a small fragment of something broken off from the whole
worthless material that is to be disposed of

scrap (verb)	single combat (verb)
make into scrap or refuse
have a disagreement over something
dispose of (something useless or old)