evenness

noun evenness

• consistency — Consistency is the quality or condition of being consistent.
• sameness — the state or quality of being the same; identity; uniformity.
• symmetry — the correspondence in size, form, and arrangement of parts on opposite sides of a plane, line, or point; regularity of form or arrangement in terms of like, reciprocal, or corresponding parts.
• uniformity — the state or quality of being uniform; overall sameness, homogeneity, or regularity: uniformity of style.
• flatness — horizontally level: a flat roof.