con·so·nant·ism \ˈkän(t)sənənˌtizəm\noun (-s) 1.: the consonant system (as of a language or dialect) 2.: the consonants, sequence of consonants, or quality peculiar to the consonants of a word or group of related words < the consonantism of the 4 words hardly seems … to point to Scandinavian origin — Stephen Ullmann >