times two

• doubleTwice the amount
• multiplyIncrease in number
• twiceTwo occurrences total
• duplicateExact replica of original
• twinOne of matched pair

doubled · pair · twofold · squared · exponential · multiplication · doubling · repeat · mirror · clone · ditto · encore · redux · second · duo · binary · dual · copy

• multipliersdouble, triple, quadruple, doubler, tripler
• counting phrasesone two three, count to ten, on three, countdown, count off