Effete and Unfertile

Effete adjective - Having lost forcefulness, courage, or spirit.

Unfertile and effete are semantically related In some cases you can use "Unfertile" instead an adjective "Effete".

Unfertile adjective - Producing inferior or only a small amount of vegetation.

Effete and unfertile are semantically related in young topic. Sometimes you can use "Effete" instead an adjective "Unfertile", if it concerns topics such as unable to support growth.