disputation vs speechmaking

disputation and speechmaking both are nouns.

Word	Noun	Adjective	Verb	Adverb
disputation	Yes	No	No	No
speechmaking	Yes	No	No	No

As nouns, speechmaking is a hypernym of disputation; that is, speechmaking is a word with a broader meaning than disputation:

disputation: the formal presentation of a stated proposition and the opposition to it (usually followed by a vote)
speechmaking: delivering an address to a public audience

Other hypernyms of disputation include oral presentation, public speaking, speaking.

disputation (noun)	speechmaking (noun)
the formal presentation of a stated proposition and the opposition to it (usually followed by a vote)	delivering an address to a public audience
a contentious speech act; a dispute where there is strong disagreement