We don't have synonyms for countdowns yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are countdown, count down and count-down.
(v) :
(transitive) To await a precisely timed expected event.
(v) :
(transitive) To announce the passage of time to a precisely timed expected event.
(n) :
Alternative form of countdown. [(astronautics) A count backward in fixed units to the time of some event, especially the launch of a space vehicle.]
(v) :
(transitive) To await a precisely timed expected event.
(v) :
(transitive) To announce the passage of time to a precisely timed expected event.
(n) :
Alternative form of countdown. [(astronautics) A count backward in fixed units to the time of some event, especially the launch of a space vehicle.]