point up vs punctuate

point up and punctuate both are verbs.

Word	Noun	Adjective	Verb	Adverb
point up	No	No	Yes	No
punctuate	No	No	Yes	No

As verbs, punctuate is a hypernym of point up; that is, punctuate is a word with a broader meaning than point up:

Other hypernyms of point up include accent, accentuate, emphasise, emphasize, stress.

point up (verb)	punctuate (verb)
emphasize, especially by identification	insert punctuation marks into
	interrupt periodically
	to stress, single out as important