Submitted by György Chityil ... on Wed, 02/28/2018 - 22:06 Lemma: cleanNgram Count: 1Starts with letter: YesIndefinite Article: aGoogle Ngram Count: 2685587Sense count: 2Contained in other ngrams: 13Hierarchy: AdjectivePast ParticipleForms: cleanercleaningcleanestcleansForms Count: 4