Doble(“double”): two times the same thing.
Triple (“triple”): three times the same thing.
Cuádruple ((or cuádruplo) (“quadruple”/ “fourfold”): four times the same thing.
Quíntuple(or quíntuplo) (“fivefold”): five times the same thing.
Séxtuple(or séxtuplo) (“sixfold”): six times the same thing.
Séptuple (or séptuplo) (“sevenfold”): seven times the same thing.
Óctuple (or óctuplo) (“eightfold”): eight times the same thing.
Nónuplo (“ninefold”): nine times the same thing.
Décuplo (“tenfold”): ten times the same thing.
Undécuple (or undécuplo) (“eleven fold”): eleven times the same thing.
Duodécuplo(“twelvefold”): twelve times the same thing
Terciodécuplo: thirteen times the same thing
Céntuple(o céntuplo) (“hundredfold”): a hundred times the same thing.
The most used areson doble, triple and cuádruple.
Examples in the news:
√ “Los empleados ganaron el doble en 2014″.
√ “Un triple de Avery Bradley da el triunfo a los Celtics”.
√ “La policía investiga un cuádruple asesinato”.
√ “Michael Schumacher séptuple campeón mundial”.
√ “La multa es el céntuplo de las pérdidas causadas al Tesoro Público”.
Note: this grammar note has been drawn up following recommendations contained in “Diccionario Panhispánico de Dudas” and “Nueva Gramática Básica de la lengua española”. : http://lema.rae.es/dpd/?key=m%C3%BAltiplos