Η κατάληξη -ist παράγει τόσο ουσιαστικά όσο και επίθετα. Π.χ. "a socialist manifesto" → ένα σοσιαλιστικό μανιφέστο (και όχι "a socialistic manifesto").
-ist
— suffix
1. ( forming nouns ) a person who performs a certain action or is concerned with something specified: motorist ; soloist
2. ( forming nouns ) a person who practises in a specific field: physicist ; typist
3. ( forming nouns and adjectives ) a person who advocates a particular doctrine, system, etc, or relating to such a person or the doctrine advocated: socialist
4. ( forming nouns and adjectives ) a person characterized by a specified trait, tendency, etc, or relating to such a person or trait: purist
5. ( forming nouns and adjectives ) a person who is prejudiced on the basis specified: sexist ; ageist
-ist | Define -ist at Dictionary.com