Fabric, Flower, Focus, Foundation, Fundamental, Ghetto, Gist, Halfway, Heart, Hub, Import, Importance, Inner, Inside, Insides, Interior, Intermediary, Intermediate, Intern, Internal, Inward, Issue, Kernel, Keystone, Landmark, Marrow, Mass, Material, Matter, Mean, Meat, Medial, Median, Mediocre, Medium, Medulla, Mid, Middle, Middling, Midland, Midmost, Midriff, Midships, Midst, Midway, Milestone, Nave, Navel, Nuclear, Nucleus, Origin, Outskirts, Pit, Pith, Pivot, Postulate, Principle, Purport, Quick, Quid, Quintessence, Recap, Recapitulation, Recesses, Resume, Root, Rundown, Sap, Seed, Significance, Amidships, Amount, Average, Axiom, Axis, Base, Basis, Beginning, Body, Bosom, Bulk, Burden, Central, Centroid, Climax, Commencement, Consequence, Cornerstone, Corpus, Crisis, Crux, Diameter, Diaphragm, Distillate, Distillation, Elixir, Equator, Equatorial, Equidistant, Essence, Essential, Slum, Slums, Soul, Spirit, Staple, Start, Stuff, Substance, Suburbia, Suburbs, Sum, Summary, Summation, Thick, Thrust, Umbilicus, Upshot, Uptown, Vitals, Waist, Waistline, Zone