Insufficiency and Lack

Insufficiency noun – A falling short of an essential or desirable amount or number.

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Lack is a synonym for insufficiency in want topic. In some cases you can use "Lack" instead a noun "Insufficiency", when it comes to topics like amount, necessity, excess, shortage. popular alternative

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Nearby Words: insufficient, insufficiently

Lack noun – The fact or state of being absent.

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Insufficiency is a synonym for lack in deficiency topic. You can use "Insufficiency" instead a noun "Lack", if it concerns topics such as want, amount, excess, absence. popular alternative

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Nearby Words: lacking, lacked