three-fold vs triple

three-fold is not a noun while triple is a noun.

Word	Noun	Adjective	Verb	Adverb
three-fold	No	Yes	No	No
triple	Yes	Yes	Yes	No

As adjectives, three-fold and triple are synonyms defined as:

Other synonyms of three-fold include threefold, treble.

three-fold (noun)	triple (noun)
	a base hit at which the batter stops safely at third base
	a quantity that is three times as great as another
	a set of three similar things considered as a unit

three-fold (adjective)	triple (adjective)
three times as great or many	having three units or components or elements
having more than one decidedly dissimilar aspects or qualities	three times as great or many

three-fold (verb)	triple (verb)
	increase threefold
	hit a three-base hit