9
passenger(noun, person)
5
amendment(noun, act, measure, qualification, provision)
5
horseman(noun, traveler)
4
equestrian(noun, traveler, rider, jockey)
4
horsewoman
4
cavalryman(noun, jockey)
4
addition(noun, increase, extra, qualification, supplement)
4
appendix(noun, increase, extra, addition, document)
4
codicil(noun, act, part, increase, measure)
4
measure(noun, act, qualification, provision, proviso)
4
supplement(noun, act, increase, measure, extra)
3
bill(act, measure, legislative addition)
3
act(measure, legislative addition)
3
addendum(noun, act, increase, measure, extra)
3
cavalier
3
clause(noun, act, measure, qualification, provision)
3
condition(noun, part, section, article, requirement)
3
jockey(noun, traveler)
3
postscript(noun, increase, extra, addition, supplement)
3
proviso(noun, part, condition, section, requirement)
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APASmart Define. (2015). rider thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/rider/thesaurus/synonyms
ChicagoSmart Define. 2015. "rider thesaurus" https://smartdefine.org/rider/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, rider thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/rider/thesaurus/synonyms>.
MLASmart Define. "rider thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/rider/thesaurus/synonyms>