Perhaps you should try some spelling variations:
passiv » massiv, passiven, passiver
passiverere » massiverere, passivenerere, passivererere, passiverer, passiverwerb, passivierende
passively » massively, passivenely, passiverely, passivity, passiven
passive » massive, passivene, passivere
massiven » massive, passiven, massiv
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 ((passiverere OR massiven) OR (passively OR (passive OR massively)))).
• Adding a wildcard symbol may retrieve word variants: (passiv or ((passiverere or massiven) or (passively or (passive or massively))))*.