1.  deviance(n = noun.state) aberrance, aberrancy, aberration - a state or condition markedly different from the norm;
is a kind of abnormalcy, abnormality
has particulars: chromosomal aberration, chromosomal anomaly, chromosonal disorder, chrosomal abnormality, deflection, warp
Derived forms adjective deviant₁, adjective deviate₁

2.  deviance(n = noun.act) deviation - deviate behavior;
is a kind of abnormality, irregularity
Derived forms adjective deviant₁, adjective deviate₁