A (沒) 没 mei2 
not have/ there is not/ not 
hat nicht, nicht A (沒有) 没有 mei2you3
not have/ there is not/ not
nicht haben B (無) 无 wu2
not have/ there is not/ not
1. ohne, nichts, nicht vorhanden sein 2. nicht
Definitions from Unihan Copyright © 1991-2015 Unicode® Inc. All rights reserved.
無 无 negative, no, not / KangXi radical 71
from CC-CEDICT under a Creative Commons Attribution-Share Alike 3.0 License
B (無) 无 wu2 not have/ there is not/ not 1. ohne, nichts, nicht vorhanden sein 2. nicht Definitions from Unihan Copyright © 1991-2015 Unicode® Inc. All rights reserved.
無 无 negative, no, not / KangXi radical 71 from CC-CEDICT under a Creative Commons Attribution-Share Alike 3.0 License