6
third wheel(expression, extra, addition, adjustment, wheel)
5
additional wheel(expression, part, wheels, bicycle)
5
extra wheel(expression, extra, addition, adjustment, wheel)
5
spare wheel(expression, extra, addition, adjustment, wheel)
5
stabiliser(noun, part, wheels, bicycle)
5
support wheel(expression, extra, addition, adjustment, wheel)
4
forth wheel(expression, extra, addition, adjustment, wheel)
4
supplemental wheel(expression, extra, addition, adjustment, wheel)
4
supplementary wheel(expression, extra, addition, adjustment, wheel)
3
mounted wheel(expression, part, wheels, bicycle)
2
added wheel(expression, extra, addition, adjustment, wheel)
2
affixed wheel(expression, extra, addition, adjustment, wheel)
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APASmart Define. (1970). training wheel thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/training_wheel/thesaurus/synonyms
ChicagoSmart Define. 1970. "training wheel thesaurus" https://smartdefine.org/training_wheel/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 1970, training wheel thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/training_wheel/thesaurus/synonyms>.
MLASmart Define. "training wheel thesaurus" 1 January 1970. Web. 21 September 2026. <https://smartdefine.org/training_wheel/thesaurus/synonyms>