Certainly spellings and pronunciations were less standardized at the time. Could your word be an aberration of Nahunta, which is accepted as a Tuscarora (native American) name? Fremont, NC was incorporated as Nahunta in the mid 19th century. Shortly thereafter, the town name was changed to Fremont. There is an unincorporated community in western Wayne county at the Johnston line with the same name. Nahunta Swamp is in Greene County.