Other ways to say

Other ways to say MISTAKE

Mistake -  An act or judgement that is misguided or wrong
Error -  Consider ‘error’ to be much more severe than ‘mistake’
Fault -  An error caused by ignorance, bad judgment or inattention; responsibility for an accident or misfortune
Blunder -  Is a careless mistake often unnecessarily or resulting from misjudgment
Goof -  To make a silly mistake; a silly or stupid person
Bloomer -  An embarrassing mistake
Wrong -  Something is not correct

Other ways to say LAUGH

Laugh -  To smile while making sounds with your voice that show you think something is funny or you are happy
Chuckle -  To laugh quietly
Giggle - To laugh repeatedly in a quiet but uncontrolled way, often at something silly or rude or when you are nervous
Smile -  A happy or friendly expression on the face in which the ends of the mouth curve up slightly
Grin - To smile broadly, especially as an indication of pleasure, amusement, or the like
Titter - To laugh nervously, often at something that you feel you should not be laughing at
Snigger  / Snicker To laugh at the misfortune of another
Roar / Howl / Shriek with laughter -   A short, loud, high cry, especially one produced suddenly as an expression of a powerful emotion
Chortle - To laugh, showing pleasure and satisfaction, often at someone else's bad luck
Cackle - To laugh in a loud, high voice, unpleasant sound of a chicken
Guffaw - To laugh loudly, especially at something stupid that someone has said or done
Beam - If you beam, you smile in a very obvious way
Simper - To smile in a silly or annoying way
Smirk - A smile that expresses satisfaction or pleasure about having done something or knowing something that is not known by someone else
Sneer - An unkind expression on your face that shows you do not respect or approve of someone or something