- sameness - the quality of being alike; "sameness of purpose kept them together"
--1 is a kind of quality
Antonyms: difference
--1 has particulars:identity, identicalness, indistinguishability; similarity; equality - monotony, sameness - the quality of wearisome constancy and lack of variety; "he had never grown accustomed to the monotony of his work"; "he hated the sameness of the food the college served"
--2 is a kind of unvariedness