Submitted by Anonymous (not verified) on Tue, 05/07/2019 - 00:01 Lemma: blackenNgram Count: 1Starts with letter: YesGoogle Ngram Count: 27039Sense count: 0Contained in other ngrams: 0Hierarchy: Third person singular simple presentForms: blackenedblackeningIssue: 0Forms Count: 2