inflectionaalista
Inflectionaalista is a Finnish term referring to inflectional morphology, the study of how words change their form to express grammatical functions. This includes changes to nouns, verbs, adjectives, and other word classes to indicate things like number, case, tense, mood, and person. For example, in Finnish, nouns change their case endings to show their role in a sentence (e.g., "talo" meaning house, versus "talossa" meaning in the house). Verbs are inflected to show tense (past, present, future) and person (I, you, he/she/it, we, you all, they).
Inflectional morphology is a fundamental aspect of many languages, particularly highly inflected ones like Finnish, Latin,