Perhaps you should try some spelling variations:
passiv » passive, massiv, passiver
passivere » passiveere, massivere, passiverere, passiverer, passiver, passivieren
passively » passiveely, massively, passiverely, passive, passivity
passiven » passiveen, massiven, passiveren, passive, passion
massivere » massiver, massive, massiven
massively » massive

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 ((passivere OR massivere) OR ((passively OR passiven) OR massively))).
• Adding a wildcard symbol may retrieve word variants: (passiv or ((passivere or massivere) or ((passively or passiven) or massively)))*.