debate vs premeditate

debate is a noun but premeditate is not a noun.

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

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

Other hyponyms of debate include see, debate, wrestle, think twice.

debate (noun)	premeditate (noun)
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

debate (verb)	premeditate (verb)
argue with one another	consider, ponder, or plan (an action) beforehand
discuss the pros and cons of an issue	think or reflect beforehand or in advance
have an argument about something
think about carefully; weigh