The aim of the article is to describe the derivational nest of preposition 'BEZ'. The analysis brings information about: the number of derivates on individual derivational strokes, the length of derivational chains, number and types of parts of speech, number, types and load of derivational models and derivational techniques. The authoress divides the derivates into 12 groups; the division results from the analysis of the derivational paraphrases and comparison with lexical meaning of preposition 'BEZ'. She indicates that the meaning of the preposition 'BEZ' depends on the meaning of the derivate. .