speechmaking vs debate

speechmaking and debate both are nouns.

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

As nouns, debate is a hyponym of speechmaking; that is, debate is a word with a more specific, narrower meaning than speechmaking:

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

Other hyponyms of speechmaking include reading, recital, recitation, disputation, public debate.

speechmaking (noun)	debate (noun)
delivering an address to a public audience	the formal presentation of a stated proposition and the opposition to it (usually followed by a vote)
	a discussion in which reasons are advanced for and against some proposition or proposal

speechmaking (verb)	debate (verb)
	argue with one another
	discuss the pros and cons of an issue
	have an argument about something
	think about carefully; weigh