Submitted by György Chityil ... on Fri, 01/19/2018 - 20:57 Hierarchy: NounDescription: {{chiefly|US|pharmacology}} tranquilizerNgram: tranquillizerNgram Text: tranquillizerSource: WiktionaryIssue: 0Wiktionary tag: chieflypharmacologyNgram Count: 1