consonantism

noun

con·​so·​nant·​ism ˈkän(t)-sə-nən-ˌti-zəm 

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

Word History

Etymology

consonant entry 2 + -ism

First Known Use

1849, in the meaning defined at sense 1