Examples of Tagalog words where the initial letter is one of the five vowels:
a - atin (ours)
e - ekis (the letter x)
i - ibon (bird)
o - oras (time)
u - uod (worm)
e - ekis (the letter x)
i - ibon (bird)
o - oras (time)
u - uod (worm)
The Tagalog word for 'vowel' is patinig.