relativity Synonyms

theory of relativity Einstein's theory of relativity relativity theory relativistic relativism continuum theory friendly relationship principle of relativity appositeness relativeness relationship relation special relativity connection friendship comparative estimate broad view relativities relative importance energy-matter relationship einstein theory principle of equivalence special theory of relativity general theory of relativity reciprocity perspective interrelation attitude association aspect angle analogy amity alliance affinity affiliation affection balance coequality exchange dependence correspondence correlation contingency connection comparison community communion collation affair