execution

Execution has 4 syllables: ex · e · cu · tion.

noun. Putting a condemned person to death.

noun. (law) the completion of a legal instrument (such as a contract or deed) by signing it (and perhaps sealing and delivering it) so that it becomes legally binding and enforceable.

noun. The act of accomplishing some aim or executing some order.

noun. The act of performing; of doing something successfully; using knowledge as distinguished from merely possessing it.