Ace, Acid, Acidity, Agent, Air, Alkali, Alkalinity, Anion, Antacid, Base, Biochemical, Bit, Cation, Chemical, Component, Compound, Constituent, Dab, Dash, Dimer, Dole, Dot, Dram, Dribble, Dwarf, Dyad, Earth, Electron, Element, Fabric, Farthing, Fire, Fleck, Fragment, Gobbet, Grain, Granule, Groat, Hair, Handful, Ion, Iota, Isobar, Isomer, Jot, Little, Material, Materiality, Matter, Medium, Meson, Minim, Minimum, Minutiae, Mite, Modicum, Molecule, Monomer, Nature, Nutshell, One, Ounce, Particle, Pebble, Pinch, Pittance, Plenum, Point, Polymer, Proton, Quark, Radical, Reagent, Scruple, Shade, Shell, Smack, Speck, Spice, Spoonful, Spot, Stuff, Substance, Substratum, Suggestion, Suspicion, Tangible, Thimbleful, Tincture, Tinge, Touch, Trace, Tracer, Triad, Trivia, Unit, Water