scrimmage vs practice

scrimmage and practice both are nouns.

Word	Noun	Adjective	Verb	Adverb
scrimmage	Yes	No	Yes	No
practice	Yes	No	Yes	No

As nouns, practice is a hypernym of scrimmage; that is, practice is a word with a broader meaning than scrimmage:

scrimmage: (American football) practice play between a football team's squads
practice: systematic training by multiple repetitions

Other hypernyms of scrimmage include drill, exercise, practice session, recitation.

As verbs, practice is a hypernym of scrimmage; that is, practice is a word with a broader meaning than scrimmage:

Other hypernyms of scrimmage include practise, rehearse.

scrimmage (noun)	practice (noun)
a noisy riotous fight	a customary way of operation or behavior
(American football) practice play between a football team's squads	systematic training by multiple repetitions
	the exercise of a profession
	translating an idea into action
	knowledge of how something is usually done

scrimmage (verb)	practice (verb)
practice playing (a sport)	learn by repetition
	engage in a rehearsal (of)
	carry out or practice; as of jobs and professions
	avail oneself to
	engage in or perform