punctuate vs add

punctuate and add both are verbs.

Word	Noun	Adjective	Verb	Adverb
punctuate	No	No	Yes	No
add	No	No	Yes	No

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

punctuate: insert punctuation marks into
add: make an addition (to); join or combine or unite with others; increase the quality, quantity, size or scope of

punctuate (verb)	add (verb)
insert punctuation marks into	make an addition (to); join or combine or unite with others; increase the quality, quantity, size or scope of
interrupt periodically	make an addition by combining numbers
to stress, single out as important	determine the sum of
	state or say further
	bestow a quality on
	constitute an addition