noun
failure
FAYL-yer/ˈfeɪljər/
Not performing or achieving what is required.
The model bridge's collapse under the test weight reveals its failure.

Etymology
Falir meant “be lacking; not succeed,” and its Anglo-French form was used as a noun. This turned the idea of not succeeding into a name for the lack of success itself.
In context
there's always failure throughout the entire process from beginning to end there's failure but the success comes when you look towards that failure and you learn something from it
More examples
- Engine failure forces the pilot to land.
- Failure to follow the instructions can damage the equipment.
- Despite months of planning, the project is a failure.
Forms
failure · failures
fail verb — To fall short of an expected result.