Why does “y” change to “ie” in “butterflies” but not in “donkeys”?

i_-_Why_does_y_change_to_ie_in_butterflies_but_not_in_donkeys_.pdf

You can practice your words with interactive flashcards (with audio and games) on Quizlet here:

https://quizlet.com/_8oymzk?x=1jqt&i=2zhlzm

Complete and Continue