pre caution (noun) precaution: carefulness; preventative measure
Sinonime: atom, bit, cereal, corn, crumb, drop, fragment, granule, grist, iota, jot, kernel, mite, modicum, molecule, morsel, mote, ounce, particle, pellet, scintilla, scrap, scruple, smidgen,
spark, speck, tittle, trace, whit
Antonime: carelessness