COURAGE

favorites: backbone, bravery, fearlessness, fortitude, gallantry, grit, mettle, valor

more:

adventurousness, audacity, bravura, daring, dauntlessness, derring-do, firmness, gameness, guts, hardihood, heroism, intrepidity, lion-heartedness, manliness, nerve, pluck, pluckiness, pugnacity, resoluteness, (fighting-)spirit, spunk, temerity, venturesomeness, élan

http://thesaurus.reference.com/browse/courage

COWARDICE

favorites: faintheartedness, gutlessness, timidity, trepidation, wimpiness

more:

angst, anxiety, apprehensiveness, chickenheartedness, cold feet, cold sweat, discomposure, dread, jitters, mousiness, panic, phobia, pusillanimity, terror

http://thesaurus.reference.com/browse/cowardice

Timidity, Trepidation.

Courage: noble, hero, heroine, savior, champion, conqueror