Synonyms of grains

1 Syllable
bit, whit, mote, drop, spark, crumb, grist, jot, corn, mite, speck, scrap
2 Syllables
scruple, pellet, atom, morsel, trace, cereal, fragment, smidgen, tittle, kernel, ounce
3 Syllables
granule, detritus, modicum, scintilla, iota, particle
4 Syllables
molecule