The phrase "spake of" means to talk about or discuss something. There are several synonyms for this phrase that can be used to make writing more interesting and varied. For example, instead of saying "he spake of his concerns," you could say "he discussed his concerns" or "he talked about his worries." Other synonyms include "mentioned," "noted," "commented on," and "referred to." By using different synonyms for "spake of," writers can add depth and nuance to their prose. It is important to choose the synonym that best conveys the intended meaning and tone of the sentence.