"Pigsticker" is a term used to describe a type of knife used for killing pigs. However, there are several other terms that can be used to refer to such knives. One of the most common of these is "pig sticker," which is similar in meaning to pigsticker but with a slightly different connotation. Other synonyms include "butcher knife," "slaughter knife," and "hunting knife." Each of these terms is used to describe a knife that is designed for use in hunting and killing animals, particularly pigs. While these knives may have different names, they are all designed for the same purpose - to be used in the slaughtering of animals for meat production.