team vs offense

team and offense both are nouns.

Word	Noun	Adjective	Verb	Adverb
team	Yes	No	Yes	No
offense	Yes	No	No	No

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

team (noun)	offense (noun)
a cooperative unit (especially in sports)	the action of attacking an enemy
two or more draft animals that work together to pull something	a transgression that constitutes a violation of what is judged to be right
	a lack of politeness; a failure to show regard for others; wounding the feelings of others
	a feeling of anger caused by being offended
	the team that has the ball (or puck) and is trying to score

team (verb)	offense (verb)
form a team