Spelling Rules - Words with ie or ei

When the sound is e write ie except after c

relieve, priest, relief, chieftain, grievous, field, belief, yield, thief, shriek, reprieve, besiege, piece, pierce, cashier, reprieve, brief, sieve, siege, believe

Words after c:

conceit, ceiling, deceive, perceive, receipt, deceit, conceive, receive

eight, rein, veil, heir, weight, their, sleigh, vein, neigh, skein, neighbor, reign, freight, heifer, weir, weigh, foreign, forfeit

There are always exceptions.

friend, mischief, seize, sheik, weird, either, neither, financier, leisure, seize, species, ancient, fierce, lieutenant