Englishwhit
noun
his death wouldn't have made a whit of difference:
scrap, bit, tiny amount, speck, iota, particle, ounce, jot, atom, crumb, shred, morsel, trifle, fragment, grain, drop, touch, trace, shadow, suggestion, whisper, suspicion, scintilla, spot, mite, tittle, jot or tittle, modicum;
Irish stim;
informal smidgen, smidge;
archaic scantling, scruple.