Deficiency and Drawback

Deficiency noun - A falling short of an essential or desirable amount or number.

Drawback is a synonym for deficiency in failing topic. In some cases you can use "Drawback" instead a noun "Deficiency", when it comes to topics like flaw, shortcoming.

Nearby Words: deficient, deficit, deficiently

Drawback noun - A feature of someone or something that creates difficulty for achieving success.

Deficiency is a synonym for drawback in disadvantage topic. You can use "Deficiency" instead a noun "Drawback", if it concerns topics such as flaw, shortcoming.