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v. Simple past tense and past participle of triple.

"The upload speed more than tripled from the 2mb service so that was a pleasant surprise. gmusgrave"

multiple   

tripled    triples    tripling   

manifold    multiply    hit    multiple   

triple equality    triple plume    triple octave    triple-coil nest-spring    triple x    triple counterpoint    triple screw    triple ratio    triple fugue    triple expansion-engine   

treble    duple   

treble   

tripled    tripling    triplestore   

threefold    third    treble   

Whipple    cripple    fipple    nipple    ripple    sipple    tipple    tripple   

double    inner    massive    vertical    mighty    third    continuous    magical