- douceSweet; nice; pleasant.
- DulcieA female given name from Latin.
- dulcetSweet, especially when describing voice or tones; melodious.
- dulceousSweet.
- dulcianaAn organ stop with a sweet-sounding tone.
- dulciferousHaving a pleasant disposition.
- dulcifiedsweetened; mollified
- dulcifluoussweet in nature, character, or sound.
- dulciloquentSpeaking sweetly.
- dulciloquyA soft manner of speaking; gentle speech.
- dulcinAn artificial sweetener, 4-ethoxyphenyl-urea, no longer permitted in food
- dulcisonantSweetly sounding.
- dulciteThe sugar alcohol dulcitol (galactitol)
- dulcitolSynonym of galactitol.
- dulcitoneA keyboard instrument in which sound is produced by a range of tuning forks, which vibrate when struck by felt-covered hammers activated by the keyboard.