morale vs team spirit

morale and team spirit both are nouns.

Word	Noun	Adjective	Verb	Adverb
morale	Yes	No	No	No
team spirit	Yes	No	No	No

As nouns, morale and team spirit are synonyms defined as:

morale and team spirit: the spirit of a group that makes the members want the group to succeed

Other synonyms of morale include esprit de corps.

morale (noun)	team spirit (noun)
the spirit of a group that makes the members want the group to succeed	the spirit of a group that makes the members want the group to succeed
a state of individual psychological well-being based upon a sense of confidence and usefulness and purpose