Insure, ensure, and assure sound similar, but they are used in very different situations. Knowing the difference will make your writing much clearer and more precise.
Ensure means to make sure or to guarantee that something will happen.
Insure is used in the context of insurance β protecting something financially.
Assure means to remove doubt or to give confidence to someone. It is always used with a person.
Join 100,000 people who are improving their English skills on the Shaky English app