Write and develop a Python Function named Pig_Latin, which will convert the entered five English words into their Pig Latin form, as described below.

1- The end-user will use for loop to Enter any five different English word (mix lower and upper letters).

2- Then, the function will convert each entered word to lower case.

3- After that, the function will convert each word to Pig Latin using the following rules:

1. If the word begins with any vowel letters, where these vowel letters are one of these: (VOWELS = "aeiou"), append way to the end of the word.