Grit
Part of speech: verb
Definition: To clench, particularly in reaction to pain or anger; apparently only appears in gritting one's teeth. To cover with grit.
Part of speech: noun
Definition: Collection of hard small materials, such as dirt, ground stone, debris from sandblasting or other such grinding, swarf from metalworking. Inedible particles in food. A character trait that means to have courage, fearlessness, or guts. Husked but unground oats.
Example sentence: One of the greatest boons that can ever come to a human being is to be born on a farm and reared in the country. Self-reliance and grit are oftenest country-bred.
Sand
Part of speech: noun
Definition: Rock that is ground more finely than gravel, but is not as fine as silt (more formally, see grain sizes chart), forming beaches and deserts and also used in construction. Sand may be blown around by the wind; gravel is too heavy, and silt (on beaches) does not usually have time to dry out between tides.(often in plural sands) a beach or other expanse of sand.Personal courage (used before or around 1920s)A light beige colour, like that of typical sand.
Part of speech: adjective
Definition: Of a light beige colour, like that of typical sand.
Part of speech: verb
Definition: To abrade the surface of (something) with sand or sandpaper in order to smooth or clean it.To cover with sand.
Example sentence: The more sand has escaped from the hourglass of our life, the clearer we should see through it.