"Doth the top of head" is an archaic way of describing the crown or summit of one's head. In modern language, synonyms for this phrase could include "the top of the skull," "the highest point on the head," or simply "the crown." Other related phrases might include "the top of the cranium," "the apex of the head," or "the pinnacle of the skull." Depending on the context, other words like "crown," "summit," "peak," or "zenith" might also be suitable alternatives. Overall, there are many ways to describe this part of the head, and the specific terminology used may depend on the intended tone, audience, and genre.