Nonperformance and Nonachievement

Nonperformance noun - Failure to act with the prudence that a reasonable person would exercise under the same circumstances.

Nonachievement and nonperformance are semantically related. In some cases you can use "Nonachievement" instead a noun "Nonperformance".

Nonachievement noun - A falling short of one's goals.

Nonperformance and nonachievement are semantically related. Sometimes you can replace term "Nonperformance" with "Nonachievement", this nouns are similar.