Ersatz and Not genuine

Ersatz adjective - Being such in appearance only and made with or manufactured from usually cheaper materials.

Not genuine and ersatz are semantically related In some cases you can use "Not genuine" instead an adjective "Ersatz".

Ersatz and not genuine are semantically related in artificial topic. You can use "Ersatz" instead an adjective phrase "Not genuine", if it concerns topics such as fake, counterfeit.