vice, vise

Vice or vice means an immoral habit; an evil or depraved practice--
He has worked on the vice squad for a year now, and he wants a transfer.
The vice crimes unit investigates gambling, prostitution, drugs and alcohol.

Vise or vise is a contraption used to hold two things together, usually by screwing together the two jaws of the vise--
Put a thin coat of glue on each side, and secure in a vise for several hours or overnight.
If you use a vise to hold the board, it will be easier to cut.

Now that you know that, you can say--
"He let out a stream of profanity when he pinched his finger in the vise, but swearing is his only vice."

Note--"vice--" is also a prefix ( added to the beginning of a word, with or without the dash or space ), meaning a deputy or second-in-command--
He is running for vice president.
He hopes to be appointed vice-consul.
Note # 2--"visé" is an old-fshioned word for "visa", meaning a stamp or endoersement on a passport, meant to show that the passport has been inspected, and the person has permission to enter the country--
Make sure that they stamp your passport; it should say "visé".