If you're looking for alternatives to the phrase "soft word," there are many options to choose from. Consider using "gentle speech," "mild tone," or "calm expression" to describe a soothing manner of speaking. Other options include "whispered voice," "tender words," and "subdued cadence." If you want to emphasize the positive nature of the words being spoken, try using "kind phrases," "affectionate utterances," or "comforting language." Alternatively, if you're trying to describe a lack of assertiveness, you might use "timid talk," "passive voice," or "faint whispers." Whatever the situation, there are plenty of synonyms for "soft words" that can help you convey the proper tone and meaning.