champ vs competition

champ and competition both are nouns.

Word	Noun	Adjective	Verb	Adverb
champ	Yes	No	Yes	No
competition	Yes	No	No	No

As nouns, competition is a hypernym of champ; that is, competition is a word with a broader meaning than champ:

Other hypernyms of champ include challenger, competitor, contender, rival.

champ (noun)	competition (noun)
someone who has won first place in a competition	the act of competing as for profit or a prize
	an occasion on which a winner is selected from among two or more contestants
	the contestant you hope to defeat
	a business relation in which two parties compete to gain customers

champ (verb)	competition (verb)
chew noisily or vigorously
chafe at the bit, like horses