lode vs champion lode

lode and champion lode both are nouns.

Word	Noun	Adjective	Verb	Adverb
lode	Yes	No	No	No
champion lode	Yes	No	No	No

As nouns, champion lode is a hyponym of lode; that is, champion lode is a word with a more specific, narrower meaning than lode:

lode: a deposit of valuable ore occurring within definite boundaries separating it from surrounding rocks
champion lode: the main vein of ore in a deposit

Other hyponyms of lode include mother lode.

lode (noun)	champion lode (noun)
a deposit of valuable ore occurring within definite boundaries separating it from surrounding rocks	the main vein of ore in a deposit