– nestálost, nevytrvalost:

http://lila-erc.eu/data/lexicalResources/LexiconBohemorum/id/LexicalSense/30223_GF_ an entity of type: LexicalSense

– nestálost, nevytrvalost: 
inconstantia, levitas 
– nestálost, nevytrvalost: 
inconstantia, levitas 

data from the linked data cloud