Functions and program question

[snippsat]

Improvements line 3 is a little long

#Function
def start_vowel(word):
    if word.startswith(('a','e','i','o','u')):
        return True
    return False

#Main program
wordList = []
for word in range(5):
    word = input("Enter a word : ").lower()
    if start_vowel(word):
        wordList.append(word)
    else:
        pass

print("Word that begins with vowels are {} ".format(wordList))