Drawback and Rub

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

Rub is a synonym for drawback in thing topic. In some cases you can use "Rub" instead a noun "Drawback", when it comes to topics like trick.

Rub noun - Something that is a source of irritation.

Drawback is a synonym for rub in thing topic. You can use "Drawback" instead a noun "Rub", if it concerns topics such as trick, problem, difficulty, complication in situation.