The word surcease is a noun, a word for a temporary respite or an end; and a verb, to desist from an action, to come to an end. Examples:

noun: The surgery finally brought a surcease to his pain.

verb: We had to surcease our journey due to a blizzard.

Lipase is an enzyme released by the pancreas into the small intestine. It helps the body absorb fat by breaking the fat down into fatty acids.

Urease is an enzyme that catalyzes the hydrolysis of urea to ammonia and carbon dioxide.

Surcease is a word that means stoppage or ending. It is probably a misspelling of

Sucrase, which is an enzyme that breaks down the complex sugar sucrose into the simple sugar glucose.