7 letters · 13 points in Scrabble
adverb in an affectionate or loving manner (`sweet' is sometimes a poetic or informal variant of `sweetly'); ; - Shakespeare
originFrom Middle English swetly, swetely, sweteliche, from Old English swētlīċe (“sweetly; pleasantly”), equivalent to sweet + -ly. Cognate with Old High German swuozlīhho (“sweetly”), Icelandic sætlega (“sweetly; with gratitude”), German süßlich (“sweetish; sugary”), Dutch zoetelijk (“sentimental”).
Etymology from Wiktionary, CC BY-SA 3.0