Submitted by Anonymous (not verified) on Thu, 05/09/2019 - 18:29 Lemma: countdownNgram Count: 1Starts with letter: YesGoogle Ngram Count: 3210Sense count: 5Contained in other ngrams: 0Hierarchy: PluralThird PersonSingularThird person singular simple presentPlural NounIssue: 0Forms Count: 0