| neptunium(noun, element) | |
| nickel(noun, element) | |
| niobium(noun, element) | |
| nitrogen(noun, element) | |
| nobelium(noun, element) | |
| osmium(noun, element) | |
| oxygen(noun, element) | |
| palladium(noun, element) | |
| phosphorus(noun, element) | |
| platinum(noun, element) | |
| plutonium(noun, element) | |
| polonium(noun, element) | |
| potassium(noun, element) | |
| praseodymium(noun, element) | |
| promethium(noun, element) | |
| protactinium(noun, element) | |
| radioelement | |
| radon(noun, element) | |
| rhenium(noun, element) | |
| rhodium(noun, element) |
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| APA | Smart Define. (2015). americium thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/americium/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "americium thesaurus" https://smartdefine.org/americium/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, americium thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/americium/thesaurus/synonyms>. |
| MLA | Smart Define. "americium thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/americium/thesaurus/synonyms> |