| fundamental(noun, adjective, support, action, cause) |
| head(adjective, lead, idea, question, matter) |
| hotbed(noun, center, middle, target, centrality) |
| incarnation(noun, intrinsicality) |
| intermediacy(noun, center, middle, target) |
| issue(noun, material, effect, matter, result) |
| lifeblood(noun, quality, character, spirit, significance) |
| lodestar(noun, focus) |
| major(adjective, lead, head, master, boss) |
| master(noun, adjective, lead, head, boss) |
| means(noun, support, point, answer, secret) |
| mediocre(adjective, middle) |
| message(noun, good, understanding, point, burden) |
| mezzo(adjective, middle) |
| middle of the road(noun, center, middle, target) |
| middling(adjective, middle) |
| midway(adjective, central) |
| pip(noun, stone, nut, seed, kernel) |
| pivotal(adjective, middle, central) |
| place(noun, center, middle, target) |