Sweet-talk and Win over

Sweet-talk verb - To get (someone) to do something by gentle urging, special attention, or flattery.

Win over and sweet-talk are semantically related In some cases you can use "Win over" instead a verb phrase "Sweet-talk".

Win over verb - To cause (someone) to agree with a belief or course of action by using arguments or earnest requests.

Sweet-talk and win over are semantically related in encourage topic. Sometimes you can use "Sweet-talk" instead a verb "Win over", if it concerns topics such as butter up.