German Etymology Ancient Greek γαστήρ (gastḗr) + -itis Pronunciation IPA(key): /ɡasˈtʁiːtɪs/ Hyphenation: Gas‧t‧ri‧tis Audio:(file) Noun Gastritis f (genitive Gastritis, plural Gastritiden) gastritis Declension More information singular, plural ... singular plural indef. def. noun def. noun nominative eine die Gastritis die Gastritiden genitive einer der Gastritis der Gastritiden dative einer der Gastritis den Gastritiden accusative eine die Gastritis die Gastritiden Close Declension of Gastritis [feminine] Further reading “Gastritis” in Digitales Wörterbuch der deutschen Sprache “Gastritis” in Uni Leipzig: Wortschatz-Lexikon “Gastritis” in Duden onlineWikiwand - on Seamless Wikipedia browsing. On steroids.