Vowelize is a term that refers to the act of adding vowel sounds to a word or phrase. However, there are several other words that can be used as synonyms for vowelize. Some of these words include vocalize, articulate, enunciate, phonate, and pronounce. While these words all have slightly different meanings, they all refer to the act of producing sounds with the voice. Vowelize is a common term used in linguistics and language studies, but its synonyms are just as useful for describing the process of adding vowels to words and phrases. By using these alternate words, you can communicate your thoughts and ideas with greater precision and clarity.