Overlap (verb)

1. To extend over and cover a part of something.
2. To have a part or parts in common with something else.
3. To exist or occur at the same time as something else.

Origin:

The word "overlap" comes from the prefix "over-" which means "above" or "on top" and the verb "lap" which means "to lie partly over something else". it was first used in english in the early 1500s.

Examples:

1. The two schedules overlapped, making it impossible for her to attend both meetings.
2. The two pieces of carpet overlapped, creating a tripping hazard.
3. The two theories overlapped in some aspects but were fundamentally different.
4. The two companies overlapped in their target market and competed fiercely.
5. The two vacation periods overlapped, causing a shortage of hotel rooms.