Potency, Power, Powerfulness, Pump, Punch, Rectum, Relish, Robustness, Ruggedness, Sinew, Snap, Soul, Spice, Spirit, Spleen, Stamina, Stomach, Stoutness, Strength, Tang, Ticker, Toughness, Vitality, Vitals, Whole, Works, Zest, Zip, Abdomen, Anus, Appendix, Backbone, Being, Bite, Bones, Bosom, Bottom, Bowels, Brain, Breast, Briskness, Census, Chutzpah, Colon, Composition, Constituents, Content, Contents, Courage, Decisiveness, Divisions, Drive, Duodenum, Effectiveness, Elements, Endurance, Energy, Entrails, Esprit, Force, Forcefulness, Fortitude, Giblets, Ginger, Gizzard, Grit, Hardiness, Heart, Heartiness, Heartstrings, Hotness, Impressiveness, Incisiveness, Index, Ingredients, Innards, Insides, Internals, Intestine, Inventory, Inwards, Items, Jejunum, Kick, Kidney, List, Liveliness, Liver, Lung, Mettle, Might, Nerve, Nervousness, Nip, Obstinacy, Part, Parts, Perineum, Pith, Pluck, Poignancy