| ADAPTIVITIES | • adaptivities n. Plural of adaptivity. • ADAPTIVITY n. the quality of being adaptive. |
| ADDITIVITIES | • additivities n. Plural of additivity. • ADDITIVITY n. the quality of being additive. |
| AGENTIVITIES | • AGENTIVITY n. the state of being agentive. |
| COACTIVITIES | • coactivities n. Plural of coactivity. • COACTIVITY n. unity of action. |
| COERCIVITIES | • coercivities n. Plural of coercivity. • COERCIVITY n. the quality of being coercive. |
| CREATIVITIES | • creativities n. Plural of creativity. • CREATIVITY n. the quality of being creative. |
| ELECTIVITIES | • ELECTIVITY n. the state of being elective. |
| EMISSIVITIES | • emissivities n. Plural of emissivity. • EMISSIVITY n. the ratio of emissive power of a surface at a given temperature to that of a black body at the same temperature and with the same surroundings. |
| ERGATIVITIES | • ERGATIVITY n. the state of being ergative, a grammatical case found in certain languages. |
| ERUPTIVITIES | • ERUPTIVITY n. the state of being eruptive. |
| GINGIVITISES | • GINGIVITIS n. inflammation of the gums. |
| INACTIVITIES | • inactivities n. Plural of inactivity. • INACTIVITY n. the state of being inactive. |
| NEGATIVITIES | • negativities n. Plural of negativity. • NEGATIVITY n. the state of being negative. |
| POSITIVITIES | • positivities n. Plural of positivity. • POSITIVITY n. positiveness. |
| PROCLIVITIES | • proclivities n. Plural of proclivity. • PROCLIVITY n. an inclination or predisposition toward something. |
| REACTIVITIES | • reactivities n. Plural of reactivity. • REACTIVITY n. the state of being reactive. |
| RELATIVITIES | • relativities n. Plural of relativity. • RELATIVITY n. the state of being relative. |
| RELATIVITIST | • relativitist n. A proponent of the theory of relativity. • RELATIVITIST n. a person who studies or accepts relativity. |