Countdown and Onset

Countdown noun - Counting backward from an arbitrary number to indicate the time remaining before some event (such as launching a space vehicle).

Onset and countdown are semantically related. In some cases you can use "Onset" instead a noun "Countdown".

Nearby Words: count, counting

Onset noun - The act or action of setting upon with force or violence.

Countdown and onset are semantically related. Sometimes you can use "Countdown" instead a noun "Onset".