What is another way to spell coward?

There isn't a commonly accepted synonym for "coward" that is a direct spelling variation. However, depending on the context, you could use words with similar meanings, such as:

Formal:

* Poltroon: A cowardly person.

* Craven: A contemptibly fearful person.

* Dastard: A cowardly and treacherous person.

* Timorous: Easily frightened.

* Pusillanimous: Lacking courage or determination.

Informal:

* Chicken: A cowardly person (slang).

* Scaredy-cat: A cowardly person (slang).

* Yellow-bellied: A cowardly person (slang).

The best alternative will depend on the specific situation and the tone you want to convey.