I often confuse Spanish vowels.

I cannot pronounce this word. It has no vowels.

With the verb "caer," it's actually spelled "cayó," not "calló." The reason why is because with conjugations, whenever "i" is surrounded by two vowels, or if it's at the beginning of a word and there's a vowel right afterward, that "i" always changes to a "y," never to "ll." That's also the reason why it's "yendo" and not "llendo," or "yerro" and not "ierro."

Between 1000 and 800 B.C., the Greeks adapted the Phoenician alphabet to their own language and added vowels.

The Marathi alphabet consists of 11 vowels and 36 consonants.

Vowels use the vocal chords and consonants use the mouth.

Consonants are harder than vowels.

Are there any languages with no vowels?

The Slovak alphabet consists of 14 vowels and 32 consonants.

In Tiengòne, there are three types of vowels: short vowels, long vowels, and long vowel pairs.