- evenness, invariability - a quality of uniformity and lack of variation
--1 is a kind of regularity
Antonyms: unevenness, variability
- invariability, invariableness, invariance - the quality of being resistant to variation
--2 is a kind of changelessness, unchangeability, unchangeableness, unchangingness
Antonyms: variability, variableness, variance
--2 has particulars: unvariedness