This paper compares valency behavior of Czech deverbal nouns representing five semantic classes, namely Communication, Exchange, Contact, Mental action and Psychological nouns, included to a valency lexicon called NomVallex. Using data extracted from Czech corpora we present two ways of the comparison, first a manifestation of special valency behavior (special forms of adnominal participants and reduction of the number of valency slots), second a quantitative analysis focusing on relative frequencies of combinations of participants and their forms.
These different ways of view enable to see both common and different valency properties of the semantic classes in question, including differentiation of central and peripheral phenomena.