Abnormalcy noun – An abnormal physical condition resulting from defective genes or developmental deficiencies. Irregularity and abnormalcy are semantically related. In some cases you can use "Irregularity" instead a noun "Abnormalcy".
Irregularity noun – Not characterized by a fixed principle or rate; at irregular intervals. Abnormalcy and irregularity are semantically related. Sometimes you can replace term "Abnormalcy" with "Irregularity", this nouns are similar. Nearby Words: irregular, irregularly