pentatonicism

词干

后缀

-ism: Used to form nouns of action, process, or result based on the accompanying verb ending in -ise or -ize. · Used to form the name of a school of thought, system, or theory based on the name of its subject or object or alternatively on the name of its founder (When de-capitalized, these overlap with the generic "doctrines" sense below, e.g. Liberalism vs. liberalism.)