Tisk is a word that is used to describe a sound made by tapping a finger or making a hissing noise. Some synonyms for tisk include cluck, tut, tsk, and click. Cluck is often used to describe a disapproving sound made with the tongue against the roof of the mouth. Tut is a similar sound made with the tongue but is usually more dismissive than disapproving. Tsk is a quick clicking sound made with the tongue and teeth and is often used in a scolding context. Click is a more general term for any sound made by tapping or clicking and can be used to describe many different sounds.