credits vs acknowledgement

credits and acknowledgement both are nouns.

Word	Noun	Adjective	Verb	Adverb
credits	Yes	No	No	No
acknowledgement	Yes	No	No	No

As nouns, acknowledgement is a hypernym of credits; that is, acknowledgement is a word with a broader meaning than credits:

credits: a list of acknowledgements of those who contributed to the creation of a film (usually run at the end of the film)
acknowledgement: a statement acknowledging something or someone

Other hypernyms of credits include list, listing, acknowledgment.

credits (noun)	acknowledgement (noun)
a list of acknowledgements of those who contributed to the creation of a film (usually run at the end of the film)	a statement acknowledging something or someone
	the state or quality of being recognized or acknowledged