commitment vs message

commitment and message both are nouns.

Word	Noun	Adjective	Verb	Adverb
commitment	Yes	No	No	No
message	Yes	No	Yes	No

As nouns, message is a hypernym of commitment; that is, message is a word with a broader meaning than commitment:

Other hypernyms of commitment include content, subject matter, substance.

commitment (noun)	message (noun)
the act of binding yourself (intellectually or emotionally) to a course of action	content communicating a message; what something is about
the official act of consigning a person to confinement (as in a prison or mental hospital)	a communication (usually brief) that is written or spoken or signaled
an engagement by contract involving financial obligation
the trait of sincere and steadfast fixity of purpose
a message that makes a pledge