430 entries under noun topic. ×
| focal point(expression, support, place, point) | |
| font(cause, supply, source, foundation) | |
| foot(support, substance, rest, base) | |
| force | |
| forebear | |
| foregoer | |
| formula | |
| fountain-head | |
| fundamental(adjective, support, action, drop) | |
| generator(cause, source, derivation) | |
| grandsire | |
| group(part, section, component) | |
| home(cause, foundation, basis, center) | |
| hotbed(center, middle, target) | |
| idea(cause, reason, object, standard) | |
| index(number, mathematics) | |
| inside(center, middle, target) | |
| inspiration(cause, influence, reason, object) | |
| interior(center, middle, target) | |
| intermediacy(center, middle, target) |
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| APA | Smart Define. (2016). root thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/root/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "root thesaurus" https://smartdefine.org/root/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, root thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/root/thesaurus/synonyms>. |
| MLA | Smart Define. "root thesaurus" 2 March 2016. Web. 24 September 2026. <https://smartdefine.org/root/thesaurus/synonyms> |