Usage

Like things are compared to, unlike things compared with. See also Business.

Historic refers to a landmark contemporary event, historical refers to past history.

Due to / owing to: The collapse of the wall was due to poor workmanship. The wall collapsed owing to poor workmanship.

Use more than instead of "over" when dealing with figures, e.g. More than 50 persons ... Avoid overuse of "approximately", especially when dealing with people. Not "approximately 25 persons", but about, an estimated or some.