morphological

Etymology

morphology + -ical

adj

1. Of, or pertaining to, morphology.
   In much the same way, morphological competence is reflected in the native speaker's intuitions about morphological well-formedness and structure. For example, native speakers of English know that van and can have the respective plural forms vans and cans, but that the plural of man is men and not *mans. … 1988, Andrew Radford, Transformational Grammar, Cambridge: University Press, page 5