sliver — a small, slender, often sharp piece, as of wood or glass, split, broken, or cut off, usually lengthwise or with the grain; splinter.
smidgen — a very small amount: a smidgen of jam for your toast.
snippet — a small piece snipped off; a small bit, scrap, or fragment: an anthology of snippets.
speck — a small spot differing in color or substance from that of the surface or material upon which it appears or lies: Specks of soot on the window sill.
whit — a particle; bit; jot (used especially in negative phrases): not a whit better.
atom — An atom is the smallest amount of a substance that can take part in a chemical reaction.
bit — A bit of something is a small part or section of it.
crumb — Crumbs are tiny pieces that fall from bread, biscuits, or cake when you cut it or eat it.
jot — to write or mark down quickly or briefly (usually followed by down): Jot down his license number.
part — a portion or division of a whole that is separate or distinct; piece, fragment, fraction, or section; constituent: the rear part of the house; to glue the two parts together.
particle — a minute portion, piece, fragment, or amount; a tiny or very small bit: a particle of dust; not a particle of supporting evidence.
rag — a musical composition in ragtime: a piano rag.
ribbon — a woven strip or band of fine material, as silk or rayon, varying in width and finished off at the edges, used for ornament, tying, etc.
scintilla — a minute particle; spark; trace: not a scintilla of remorse.
scrap — a fight or quarrel: She got into a scrap with her in-laws.
shadow — a dark figure or image cast on the ground or some surface by a body intercepting light.
stitch — one complete movement of a threaded needle through a fabric or material such as to leave behind it a single loop or portion of thread, as in sewing, embroidery, or the surgical closing of wounds.
tatter — a person who does tatting, especially as an occupation.
trace — either of the two straps, ropes, or chains by which a carriage, wagon, or the like is drawn by a harnessed horse or other draft animal.
