Function: Inflectional affixes primarily serve grammatical functions, expressing grammatical relationships or indicating aspects such as tense, number, case, or comparison.
Productivity: Derivational affixes may have more limited productivity compared to inflectional affixes, and their application can vary across different words and contexts.
Inflectional affixes are highly productive and appear after derivational affixes, whereas derivational affixes may have more limited productivity and appear before inflectional affixes.