Submitted by Anonymous (not verified) on Sun, 05/05/2019 - 22:24 Lemma: sumNgram Count: 1Starts with letter: YesIndefinite Article: aGoogle Ngram Count: 788488Sense count: 0Contained in other ngrams: 1Hierarchy: Present ParticipleForms: summedsumsIssue: 0Forms Count: 2