-öny

Etymology
From.

Usage notes

 * Variants:
 *  is added to words ending in a vowel
 *  is added to back-vowel words ending in a consonant
 *  is added to back-vowel words ending in a consonant
 *  is added to unrounded front-vowel words ending in a consonant
 *  is added to rounded front-vowel words ending in a consonant