As nouns the difference between abnormality and deformity
is that abnormality is the state or quality of being abnormal; variation; irregularity while deformity is the state of being deformed.
abnormality
English
Alternative forms
* abnormalcy
* abnormalism
* abnormity
Noun
The state or quality of being abnormal; variation; irregularity.
Something abnormal; an aberration; an abnormal occurrence or feature. [ ]
Antonyms
* normality
References
deformity
English
Noun
(deformities)
The state of being deformed.
Something which is deformed.