Finnish has a unique feature called vokaaliharmonia (vowel harmony) that gives the language its smooth, flowing sound. If you’re new to Finnish, vowel harmony may sound complex, but it’s actually a simple rule that shapes the structure of Finnish words and helps make pronunciation easier.
What is Vowel Harmony?
In Finnish, vowels are divided into front vowels and back vowels. These don’t both appear within a single non-compound word, i.e., if a word contains front vowels, you won’t find back vowels in it, and vice versa. Here’s how it works:
Front vowels: Ä, Ö, Y
Back vowels: A, O, U
Neutral vowels: E, I (these can appear with both front and back vowels)
This condition keeps words sounding harmonious and consistent.
Why Vowel Harmony Matters
Vowel harmony is essential in Finnish because it affects how words are formed, especially when adding suffixes. For example:
talo (house) + ssa (in) = talossa (in the house)
metsä (forest) + ssä (in) = metsässä (in the forest)
In each case, the suffix changes to match the vowel harmony of the main word. This is why Finnish words often have a balanced, melodic quality—they’re built to flow naturally.
Onnea matkaan! (Good luck on your journey!)