Raise is a transitive verb and always takes an object. Rise is an intransitive verb and never takes an object.
Correct: They raise the question [object] at every meeting.
Correct: I rise to make a motion.
Rational is an adjective that means logical or reasonable. Rationale is a noun that means a belief or controlling principle.
Correct: Any rational person would agree.
Correct: My rationale is that centralizing control destroys individual
Don’t use real when you really mean very.
Incorrect: He is real assertive.
Correct: He is very assertive.