Submitted by György Chityil ... on Mon, 03/19/2018 - 13:59 Lemma: prorogueNgram Count: 1Starts with letter: YesIndefinite Article: aGoogle Ngram Count: 65311Sense count: 1Contained in other ngrams: 1Hierarchy: Past ParticipleForms: proroguingproroguesForms Count: 2