"Improficiency" is a word in ENGLISH

improficiency ENGLISH
Definition:

Want of proficiency.

Few words of positivity

Only through sacrifice can Genesis survive.

Claudia Gray, Defy the Stars

WORD SUGGESTIONS
Laugh your heart out.

Why did the goal post get angry?Because the bar was rattled!

Want of proficiency; failure to make progress.

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unproficiency ENGLISH

Want of proficiency or improvement.

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