triplex vs triple

triplex is not a noun while triple is a noun.

Word	Noun	Adjective	Verb	Adverb
triplex	No	Yes	No	No
triple	Yes	Yes	Yes	No

As adjectives, triplex and triple are synonyms defined as:

Other synonyms of triplex include ternary, treble.

triplex (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

triplex (adjective)	triple (adjective)
having three units or components or elements	having three units or components or elements
	three times as great or many

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