oral presentation vs speaking

oral presentation and speaking both are nouns.

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

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

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

Other synonyms of oral presentation include public speaking, speechmaking.

oral presentation (noun)	speaking (noun)
delivering an address to a public audience	delivering an address to a public audience
	the utterance of intelligible speech

oral presentation (adjective)	speaking (adjective)
	capable of or involving speech or speaking
	capable of speech