Perhaps you should try some spelling variations:
passiv » passive, massiv
passiveere » passiveeere, massiveere, passivieren, passiverer, passiviert
passiven » passiveen, massiven, passive, passion
passiver » passiveer, massiver, passive, passively, passiert
passivity » passiveity, massivity
massivere » massive, massively, massiven, massivee, massivene, massivelye
massiver » massive, massiven, massively

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (passiv OR (((passiveere OR massivere) OR passiven) OR ((passiver OR passivity) OR massiver))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(passiv or (((passiveere OR massivere) or passiven) or ((passiver or passivity) or massiver)))".
• Adding a wildcard symbol may retrieve word variants: (passiv or (((passiveere OR massivere) or passiven) or ((passiver or passivity) or massiver)))*.