"Nonproficiency" is a word in ENGLISH

nonproficiency ENGLISH
Definition:

Want of proficiency; failure to make progress.

Few words of positivity

The idea was that you could grow a system like the Internet one network at a time and then interconnect them. In some sense, the most important thing was the invention of the architecture protocols that enabled the Internet.

Vint Cerf

WORD SUGGESTIONS
Laugh your heart out.

What do you call an egg from outer space?An unidentified flying omelet!

improficiency ENGLISH

Want of proficiency.

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unproficiency ENGLISH

Want of proficiency or improvement.

Read the complete definition