List Four Words

brief, thief, belief, mischief, grief, relief, believe, niece, pier, receipt, receive, deceit, deceive, weird, seize

Common link:  they all have “i” and “e” in them but their order may be different.  The rule is:  ‘i’ usually comes before the ‘e’ except after ‘c’, when the sound is ‘ee’.  There are, however, some exceptions to the rule.