äänenvaihtelu
Äänenvaihtelu is a linguistic phenomenon primarily studied in Finnish linguistics. It refers to the systematic changes that occur in the consonant sound of a word's stem when grammatical endings are added. These changes are not random; they follow predictable patterns based on the phonological structure of the word.
The most common type of ääntönvaihtelu involves a consonant or consonant cluster in the stem changing to
Äänenvaihtelu is crucial for understanding Finnish word formation and morphology. It affects nouns, adjectives, and verbs,