salutatory oration vs salutatory

salutatory oration and salutatory both are nouns.

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

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

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

Other synonyms of salutatory oration include salutatory address.

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