Yes, there are 4 vowel 5 letter words. These include GAEIL, AUAIE, IOUEA, EUOIA, UUOUE, AOEUO, IEOAU, and AIUEO. Each of these words is composed of 4 consecutive vowels. Other 5 letter words that contain 4 vowels include MEOUE, MEEOU, AEUEO, and OUEAI.
