Mockernut is a term that refers to a type of hickory nut tree in North America. Synonyms for mockernut are scarce, but one possible alternative could be pignut hickory, a species of the same genus (Carya) that has a similar nut and bark pattern. Other possible synonyms for mockernut might include the common names of other hickory nut species, such as shagbark hickory, bitternut hickory, or pecan hickory. While each of these species has its own unique characteristics and uses, they are all part of the hickory family and may be suitable substitutes for mockernut in certain contexts.