Modern Russian dictionaries do not include all possible forms of words. To compile such an index, even for one part of a speech, on paper is not technically feasible. With the appearance of electronic versions of dictionaries, however, for the first time we can try to create an inventory of all possible forms for the lexical-semantic group of Russian sound verbs, using the web-scraping methodology. This project attempts to develop a number of comprehensive tables for the prefixed (semantically modified at the word-formation level) sound verbs and all their forms. A novel, four-position system of numbering the verbal forms to support experimental multi-dimensional scaling of results have been introduced. The research output takes into the account not only all documented (recorded) modifications of the source verbs, but also all potential derivative forms. The compellation of the tables, the labelling of the elements and the subsequent analysis of their correlations revealed some technical execution and documenting challenges that are directly related to the semantics of verbal modifications (e.g. the concurrence of the future tense forms, the imperatives of verbs of sound and forms of “dual action”). The project outcomes may positively impact the development of diverse web-based applications for gathering, visualizing, or analyzing data from a variety of digital lexicographic sources across a single or multiple language, corpora, or from other digital text collections.