Many words have the letters ie or ei in the middle. It is sometimes difficult to remember which words are spelled with ie and which are spelled with ei. Below is a rule that may help you remember the correct spellings. Study the rule and then complete the practice exercise.
i before e except after c and when sounded as a, as in neighbor and weigh
this can be recited as a rhyme in order to help you remember
Exceptions to the rule:
either, neither, seize, seizure, leisure, weird, foreign, and height
This page http://literacy.kent.edu/Oasis/ndakota/spelling/.html