The word "naïve" has a dieresis over the "i."
A mark used in writing to indicate that a vowel should be pronounced separately from the preceding vowel.
The diereses in "coöperate" shows how to pronounce the vowels.
A linguistic term referring to the separation of two adjacent vowels in a word.
עם מילון תמונות חזק בחינם וכרטיסיות.