discipline vs penalise

discipline is a noun but penalise is not a noun.

Word	Noun	Adjective	Verb	Adverb
discipline	Yes	No	Yes	No
penalise	No	No	Yes	No

As verbs, penalise is a hypernym of discipline; that is, penalise is a word with a broader meaning than discipline:

Other hypernyms of discipline include penalize, punish.

discipline (noun)	penalise (noun)
training to improve strength or self-control
the act of disciplining
the trait of being well behaved
a branch of knowledge
a system of rules of conduct or method of practice

discipline (verb)	penalise (verb)
punish in order to gain control or enforce obedience	impose a penalty on; inflict punishment on
develop (a child's or animal's) behavior by instruction and practice; especially to teach self-control