Perhaps you should try some spelling variations:
passiv » massiv, passiven, passiver
passive » massive, passivene, passivere
passivene » massivene, passivenene, passiverene, passiven, passiveand, passively
passiverer » massiverer, passivenerer, passivererer, passiverwerb, passivieren, passiver
passiverere » massiverere, passivenerere, passivererere, passiverwerbe, passivierene, passivere, passiverwerb, passivierende, passivierbare

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 ((passive OR passivene) OR (passiverer OR passiverere))).
• Adding a wildcard symbol may retrieve word variants: (passiv or ((passive or passivene) or (passiverer or passiverere)))*.