How do you use amalgamate?

The two opposing philosophies do not amalgamate with each other

In order to create a single entity from two parts you must amalgamate them.

Companies often merge or amalgamate when they exist in a common industry. Dentists will amalgamate silver and mercury to form a filling for cavities in teeth.

A drawbridge allows welcome guests into a castle to cross the moat(a trench of water that goes around the perimiter of the castle)

You use "in" when you mean "in" and you use "or" when you need to use "or". It is rather difficult to construct rules for the use of prepositions in most languages.The grammatical structure of the...