salutatory address vs salutatory oration

salutatory address and salutatory oration both are nouns.

Word	Noun	Adjective	Verb	Adverb
salutatory address	Yes	No	No	No
salutatory oration	Yes	No	No	No

As nouns, salutatory address and salutatory oration are synonyms defined as:

salutatory address and salutatory oration: an opening or welcoming statement (especially one delivered at graduation exercises)

Other synonyms of salutatory address include salutatory.

salutatory address (noun)	salutatory oration (noun)
an opening or welcoming statement (especially one delivered at graduation exercises)	an opening or welcoming statement (especially one delivered at graduation exercises)