Submitted by György Chityil ... on Tue, 03/13/2018 - 16:51 Lemma: piggybackNgram Count: 1Starts with letter: YesIndefinite Article: aGoogle Ngram Count: 15454Sense count: 1Contained in other ngrams: 1Hierarchy: Past ParticipleForms: piggybackingpiggybacksForms Count: 2