Synonyms for Quintuple (same or very similar meaning)
WordNet sense 1 (a set of five similar things considered as a unit):
quintet, quintette, quintupletWordNet sense 2 (having five units or components):
fivefold, five-foldWordNet sense 3 (having or involving or consisting of more than one part or entity or individual):
multipleFrom the ODE community, based on WordNetadd/edit