co·in·cide 
(kō′ĭn-sīd)
(kō′ĭn-sīd)intr.v. co·in·cid·ed, co·in·cid·ing, co·in·cides
1. To occupy the same relative position or the same area in space.
2. To happen at the same time or during the same period.
3. To correspond exactly; be identical. See Synonyms at correspond.
4. To agree exactly, as in opinion; concur.
[Medieval Latin coincidere : Latin co-, co- + Latin incidere, to occur; see INCIDENT.]
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