Hand over and Throw in

Hand over verb - To give (something) over to the control or possession of another usually under duress.

Throw in and hand over are semantically related In some cases you can use "Throw in" instead a verb "Hand over".

Throw in verb - To insert between other elements.

Hand over and throw in are semantically related in contribute topic. Sometimes you can use "Hand over" instead a verb "Throw in".