Jack of diamonds is a playing card in a standard deck of cards.

Jack of clubs is a playing card in a standard deck of cards.

Jack Pudding is a funny character in the play.

I tried jack-fruit for the first time and it was delicious.

I carved a spooky jack-a-lantern for Halloween.

I tried jack fruit for the first time and it was delicious.

The flag was flying high on the jack-staff.

The children were delighted by the jack-in-the-boxes popping up one by one.

I need to buy some jack plugs for my speakers.

I need to buy a Y-jack for my audio system.