Following are all the quintuple like words, in the list below.
FIVEFOLD
100% like quintuple
MULTIPLE
99.94% like quintuple
QUADRUPLE
33.41% like quintuple
TRIPLE
33.41% like quintuple
SEXTUPLE
33.41% like quintuple
DOUBLE
33.41% like quintuple
OCTUPLE
33.41% like quintuple
QUADRUPLES
33.41% like quintuple
TRIPPLE
33.41% like quintuple
QUINTUPLET
33.41% like quintuple
DOUBLING
33.41% like quintuple
QUADRUPLING
33.41% like quintuple
DOUBLES
33.41% like quintuple
NINEFOLD
33.41% like quintuple
SIXFOLD
33.41% like quintuple
TRIPLING
33.41% like quintuple
TRIPLES
33.41% like quintuple
QUADRUPLED
33.41% like quintuple
DOUBLED
33.41% like quintuple
WHAMMY
33.41% like quintuple
DUPLE
33.41% like quintuple
TRIFECTA
33.41% like quintuple
DUAL
33.41% like quintuple
HALVE
33.41% like quintuple
SEXTUPLET
33.41% like quintuple
FOURFOLD
33.41% like quintuple
TREBLING
33.41% like quintuple
TRIPLED
33.41% like quintuple
COLOSSAL
33.41% like quintuple
QUADRUPLET
33.41% like quintuple
SINGLE
33.41% like quintuple
SEVENFOLD
33.41% like quintuple
THREEFOLD
33.41% like quintuple
HALVING
33.41% like quintuple
TRIPLER
33.41% like quintuple
TWIN
33.41% like quintuple
TWELVEFOLD
33.41% like quintuple
TREBLE
33.41% like quintuple
MEGA
33.41% like quintuple
MASSIVE
33.41% like quintuple
TREBLED
33.41% like quintuple
GARGANTUAN
33.41% like quintuple
SIMULTANEOUS
33.41% like quintuple
TRIPLY
33.41% like quintuple
CARDIAC
33.41% like quintuple
CORONARY
33.41% like quintuple
INCREASE
33.41% like quintuple
TENFOLD
33.41% like quintuple
HUMONGOUS
33.41% like quintuple
MAMMOTH
33.41% like quintuple
QUADRUPLY
33.41% like quintuple
CONCOMITANT
33.41% like quintuple
QUINTUPLICATE
33.41% like quintuple
SUBQUINTUPLE
33.41% like quintuple
UNDECUPLE
33.41% like quintuple
QUINQUEPARTITE
33.41% like quintuple
SUBQUADRUPLE
33.41% like quintuple
DECEMPLEX
33.41% like quintuple
THOUSANDFOLD
33.41% like quintuple
SEPTUPLEX
33.41% like quintuple
SEDECUPLE
33.41% like quintuple
FIFTH
33.41% like quintuple
SUBOCTUPLE
33.41% like quintuple
SUBSEXTUPLE
33.41% like quintuple
TWOFOLD
33.41% like quintuple
SESQUIDUPLICATE
33.41% like quintuple
SUBDECUPLE
33.41% like quintuple
CENTUPLE
33.41% like quintuple
SEPTUPLICATE
33.41% like quintuple
SUBDUPLE
33.41% like quintuple
SUBSEPTUPLE
33.41% like quintuple
MULTIPLEX
33.41% like quintuple
PENTADAL
33.41% like quintuple
QUARTER
33.41% like quintuple
QUINTILLIONTH
33.41% like quintuple
TENTH
33.41% like quintuple
SEPTEMPARTITE
33.41% like quintuple
FOURTH
33.41% like quintuple
FIVE-HUNDREDTH
33.41% like quintuple
SUBTRIPLE
33.41% like quintuple
FIFTEENTH
33.41% like quintuple
QUADRILLIONTH
33.41% like quintuple
SUPERPARTIENT
33.41% like quintuple
MULTIFIGURE
33.41% like quintuple
SUBDIVIDED
33.41% like quintuple
CONSTITUENT
33.41% like quintuple
FIFTIETH
33.41% like quintuple
EN SUITE
33.41% like quintuple
DUODECIMFID
33.41% like quintuple
CENTESIMAL
33.41% like quintuple
PARTITIVE
33.41% like quintuple
TWENTY-FIFTH
33.41% like quintuple
INTEGRANT
33.41% like quintuple
FIFTY-FIFTH
33.41% like quintuple
SIXTH
33.41% like quintuple
SIXTY-FIFTH
33.41% like quintuple
BINOMIAL
33.41% like quintuple
FIFTY-FOURTH
33.41% like quintuple
FOURTH-DEGREE
33.41% like quintuple
PART
33.41% like quintuple