| inwardness |
| kernel(noun, quality, character, strength, spirit) |
| life(noun, nature, quality, character, spirit) |
| life or death(expression, idiom, need, essential, requirement) |
| lifeblood(noun, nature, quality, character, spirit) |
| main idea(expression, quality, character, spirit, heart) |
| mainspring(cause, base, source, ground, origin) |
| make(noun, quality, feeling, touch, character) |
| makeup(noun, quality, feeling, type, kind) |
| materiality |
| matter(noun, strength, effect, subject, meaning) |
| meat(noun, quality, type, kind, character) |
| must(need, essential, requirement, prerequisite) |
| name of game(noun, expression, idiom, nature, quality) |
| nap(noun, quality, feeling, touch, character) |
| necessary(need, essential, requirement, prerequisite) |
| need(noun, essential, requirement, prerequisite) |
| nitty-gritty(noun, quality, character, strength, spirit) |
| no alternative(expression, need, essential, requirement, prerequisite) |
| no choice(expression, need, essential, requirement, prerequisite) |