427 entries under noun topic. ×
| plinth | |
| port(center, seat, headquarters) | |
| principal(adjective, part, lead, head) | |
| root word(expression, idiom) | |
| settlement(place, center, seat, headquarters) | |
| start(verb, form, cause, settle) | |
| Qaeda | |
| abode(place, house, home, dwelling) | |
| al-Qaeda | |
| germ(quality, cause, start, character) | |
| position(verb, concept, understanding, philosophy) | |
| prop(verb, support, hold, maintain) | |
| radix(cause, source, origin) | |
| rock bottom(expression, cause, source, origin) | |
| sole | |
| starting point(expression, idiom, cause, start) | |
| stay(verb, support, hold, make) | |
| al-Qa'ida | |
| al-Qaida | |
| ancestor(cause, influence, source, derivation) |
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| APA | Smart Define. (2015). base thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/base/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "base thesaurus" https://smartdefine.org/base/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, base thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/base/thesaurus/synonyms>. |
| MLA | Smart Define. "base thesaurus" 3 August 2015. Web. 25 September 2026. <https://smartdefine.org/base/thesaurus/synonyms> |