Following are all the thirding like words, in the list below.
ORDINAL
100% like thirding
3RD
99.98% like thirding
TIERCE
99.97% like thirding
ONE-THIRD
99.96% like thirding
FRACTIONAL
99.94% like thirding
TERTIARY
99.86% like thirding
THIRD GEAR
99.52% like thirding
THIRD BASE
98.59% like thirding
THREE
66.68% like thirding
2ND
66.68% like thirding
FOURTH
66.67% like thirding
FIFTH
66.66% like thirding
SIXTH
66.66% like thirding
13TH
66.65% like thirding
TWENTY-THIRD
66.65% like thirding
PHD
66.58% like thirding
FINAL
66.57% like thirding
NEXT
66.57% like thirding
SECOND
66.55% like thirding
FIRST
66.54% like thirding
INTERVENER
66.52% like thirding
THEREOF
66.52% like thirding
DEVELOPING
66.52% like thirding
PERSON
66.52% like thirding
LASTLY
66.51% like thirding
OTHER
66.49% like thirding
OTHERS
66.49% like thirding
LAST
66.48% like thirding
THIRD-PARTY
66.48% like thirding
OUTSIDE
66.47% like thirding
BYSTANDER
66.46% like thirding
FINALLY
66.45% like thirding
OLD
66.4% like thirding
PARTY
66.4% like thirding
TER
66.39% like thirding
THIRD-WORLD
66.36% like thirding
FIRST-BORN
66.34% like thirding
TUESDAY
66.31% like thirding
SOM
66.26% like thirding
THIRD-CLASS
66.21% like thirding
OUTSIDER
66.2% like thirding
NON-MEMBER
66.05% like thirding
EXTERNAL
65.87% like thirding
THIRTY-THIRD
62.63% like thirding
FORTY-THIRD
62.63% like thirding
NEWELL
59.71% like thirding
MOIR
59.4% like thirding
3RD-PARTY
33.39% like thirding
COUNTRIES
33.39% like thirding
III
33.39% like thirding
NON-UNION
33.39% like thirding
PARTIES
33.39% like thirding
TERCEIRA
33.39% like thirding
TERCER
33.39% like thirding
TIERS
33.39% like thirding
RIDING
33.39% like thirding
RIDE
33.39% like thirding
FROMMARDING
33.39% like thirding
HORSING
33.39% like thirding
HORSERIDING
33.39% like thirding
HORSELING
33.39% like thirding
MOUNT
33.39% like thirding
THILL
33.39% like thirding
OUTRIDING
33.39% like thirding
HACKING
33.39% like thirding
HOODENING
33.39% like thirding
EQUESTRIAN
33.39% like thirding
COMMON RIDING
33.39% like thirding
SADDLING
33.39% like thirding
STOT
33.39% like thirding
BACKING
33.39% like thirding
POSTHORSE
33.39% like thirding
WHETHERING
33.39% like thirding
ROADSTER
33.39% like thirding
RANDEM
33.39% like thirding
QUOILERS
33.39% like thirding
JOCKEYDOM
33.39% like thirding
TWISTER
33.39% like thirding
SADDLE
33.39% like thirding
FIELDBOOT
33.39% like thirding
SEAT
33.39% like thirding
COCKHORSE
33.39% like thirding
ROUNCY
33.39% like thirding
TRACE HORSE
33.39% like thirding
HORSEDEALING
33.39% like thirding
GIGSTER
33.39% like thirding
HACKNEY
33.39% like thirding
PONY-TREKKING
33.39% like thirding
HODENING
33.39% like thirding
TROT
33.39% like thirding
TRUNDLETAIL
33.39% like thirding
QUARTER
33.39% like thirding
POSTER
33.39% like thirding
HALFER
33.39% like thirding
EQUESTRIANISM
33.39% like thirding
TRAPPOUR
33.39% like thirding
HORSECART
33.39% like thirding
HINDQUARTER
33.39% like thirding
RANCHING
33.39% like thirding
HORSEBACK
33.39% like thirding
