Snide and Smooth-spoken

Snide adjective - Not following or in accordance with standards of honor and decency.

Smooth-spoken and snide are semantically related In some cases you can use "Smooth-spoken" instead an adjective "Snide".

Smooth-spoken adjective - Expressing yourself readily, clearly, effectively.

Snide and smooth-spoken are semantically related in hypocritical topic. Sometimes you can use "Snide" instead an adjective phrase "Smooth-spoken", if it concerns topics such as deceitful.