uniformity[noun]Synonyms:- regularity, constancy, evenness, invariability, sameness, similarity
- monotony, dullness, flatness, sameness, tedium 
 [TahlilGaran] English Synonym Dictionary ▲
 u‧ni‧form‧i‧ty AC /ˌjuːnəˈfɔːməti, ˌjuːnɪˈfɔːməti $ -ɔːr-/ 
 noun [uncountable] the quality of being or looking the same as all other members of a group: 
 There seems to be no uniformity among the various systems.
 There seems to be no uniformity among the various systems.  [TahlilGaran] Dictionary of Contemporary English ▲