Submitted by György Chityil ... on Thu, 02/15/2018 - 21:09 Ngram Count: 1Starts with letter: YesIndefinite Article: aGoogle Ngram Count: 35717Sense count: 3Contained in other ngrams: 47Hierarchy: Clipped FormForms: copterscopteredIssue: 1Recommend ngram: helicopterForms Count: 2