A number word is another way of saying a numeral or simply a number. The number needs to have two vowels and two consonants, it can only be four letters long. Vowels are the letters a, e, i, o, and u. Consonants are all of the other letters in the alphabet. Here are all of the possible answers:
Four
- Consonants: F and R (2)
- Vowels: O and U (2)
Five
- Consonants: F and V (2)
- Vowels: I and E (2)
Nine
- Consonants: N and N (2)
- Vowels: I and E (2)
