What are different names(synonyms) of Treaty with respective to International Law?

Thanks

I am with your answer Mr. Mohammad 

I agree with your answer. Thanks for the invitation. 

Treaty, Agreement, Protocal, Convention, covenents, etc. Thanks.

A 'Smart' Question indeed!

I fully endorse your constructive submission Mr.  Gayasuddin Mohammed. Thanks.

The different synonyms for Treaty with respect to International Law are; Charter, Pact,Convention, Covenant, Accord ... etc