irregularity

As nouns the difference between irregularity and variance

is that irregularity is an instance of being irregular while variance is the act of varying or the state of being variable.

As nouns the difference between irregularity and defect

is that irregularity is an instance of being irregular while defect is a fault or malfunction.

As a verb defect is

to abandon or turn against; to cease or change one's loyalty, especially from a military organisation or political party.

As a noun irregularity

is (countable) an instance of being irregular.

As an adjective haphazard is

random; chaotic; incomplete; not thorough, constant, or consistent.

As nouns the difference between issue and irregularity

is that issue is a monacan indian; a member of a mestee group originating in amherst county, virginia while irregularity is (countable) an instance of being irregular.

As nouns the difference between irregularity and mistake

is that irregularity is (countable) an instance of being irregular while mistake is an error; a blunder.

As a verb mistake is

to understand wrongly, taking one thing for another, or someone for someone else.

As nouns the difference between irregularity and problem

is that irregularity is (countable) an instance of being irregular while problem is problem.

As nouns the difference between nonconformance and irregularity

is that nonconformance is failure to conform while irregularity is (countable) an instance of being irregular.

As nouns the difference between incident and irregularity

is that incident is an event or occurrence while irregularity is (countable) an instance of being irregular.

As an adjective incident

is arising as the result of an event, inherent.

Irregularity is a related term of madness.

As nouns the difference between irregularity and madness

is that irregularity is (countable) an instance of being irregular while madness is the state of being mad; insanity; mental disease.

As nouns the difference between irregularity and prodigality

is that irregularity is an instance of being irregular while prodigality is wasteful extravagance.