Formspumpa(definite, singular) · pumpen(definite, singular) · pumper(indefinite, plural) · pumpene(definite, plural) · pump(imperative) · pumper(present) · pumpes(passive) · pumpa(participle, past) · pumpa(past) · pumpet(participle, past) · pumpet(past) · pumpende(participle, present)