Fiber
Part of speech: noun
Definition: A single elongated piece of a given material, roughly round in cross-section, often twisted with other fibers to form thread. A material in the form of fibers. A material whose length is at least 1000 times its width. Dietary fiber. Moral strength and resolve. The preimage of a given point in the range of a map.
Example sentence: Responsibility is the thing people dread most of all. Yet it is the one thing in the world that develops us, gives us manhood or womanhood fiber.
Character
Part of speech: noun
Definition: A being involved in the action of a story.A written or printed symbol, or letterA distinguishing feature; characteristic; A complex of mental and ethical traits marking a person or a group.A moral strength.A person with many notable or eccentric features.A complex number representing an element of a finite Abelian group.One of the basic elements making up a text file or string: a code representing a printing character or a control character.A person or individual, especially one who is unknown or raises suspicions.
Example sentence: A good character is the best tombstone. Those who loved you and were helped by you will remember you when forget-me-nots have withered. Carve your name on hearts, not on marble.