What suffix can you add to coward to make it a noun?

The Word 'coward' is a noun, a Word for a person who lacks the courage to do or endure dangerous or unpleasant things. Example:

"A coward dies a thousand times before his death, but the valiant taste of death but once." William Shakespeare

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* The suffix -ice added to coward creates the abstract noun cowardice. The suffix also appears in the nouns service (verb serve) and prejudice (verb prejudge).