As a verb coincident
As a noun happenchance is
a coincidental occurrence.
Other Comparisons: What's the difference?
(of two events) Occurring at the same time.
(of two objects) Being in the same location.
Being in accordance, matching.
- Christianity teaches nothing but what is perfectly suitable to, and coincident with, the ruling principles of a virtuous and well-inclined man.
A coincidental occurrence.