Yeeeessss! To all of the above!! It is so good to know that we are not alone!! 
... When writing "purse forum" instead of "pure form" (<- ooops, there was a again a little purse first...
) in a business email - seeing the mistake luckily before sending it!!! 

... When writing "purse forum" instead of "pure form" (<- ooops, there was a again a little purse first...

