what's the difference between "rescind" & "revoke"? As far as I know both of these words are formal.So it's not case of formal-informal..

What's the meaning of "He that touches pitch shall be defiled"?? I have never heard this proverb before..Is it used now-a-days?or it is outdated? And what's the meaning of "pitch" here? I know what "defile" means..

what's the difference between "insolence" & "rudeness" Is it the case of formal & informal or is it the case of British -American use? or there is really some difference?

What's the difference between "Scoff" & "Snicker"?? As far as I am aware there is a subtle difference. But I can't distinguish between them anyway.. Or is it a case of British or American preference?

What is the difference between "prejudice" & "stereotype"?? As far as I am concerned both are preconceived notion but I can't distinguish between them anyway..

What is the difference between the words "gullible" & "credulous "??? Difference between two words... "Gullible" & "Credulous"..