scrimmage vs practise

scrimmage is a noun but practise is not a noun.

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

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

Other hypernyms of scrimmage include practice, rehearse.

scrimmage (noun)	practise (noun)
a noisy riotous fight
(American football) practice play between a football team's squads

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