Nonconformance vs Irregularity - What's the difference?

As nouns the difference between nonconformance and irregularity

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

Failure to conform.

The focus for preventive actions is to avoid creating nonconformances , but also commonly includes improvements in efficiency.

(countable) An instance of being irregular.

(uncountable) The state or condition of being irregular, or the extent to which something is irregular.

(countable) An object or event that is not regular or ordinary.

an irregularity of surface

(countable) A violation of rules.

An investigation of the irregularities in the company's accounts uncovered a large-scale fraud.

* regularity