oral presentation vs speechmaking

oral presentation and speechmaking both are nouns.

Word	Noun	Adjective	Verb	Adverb
oral presentation	Yes	No	No	No
speechmaking	Yes	No	No	No

As nouns, oral presentation and speechmaking are synonyms defined as:

oral presentation and speechmaking: delivering an address to a public audience

Other synonyms of oral presentation include public speaking, speaking.

oral presentation (noun)	speechmaking (noun)
delivering an address to a public audience	delivering an address to a public audience