History of salt English places carry the suffix and are historically related to salt, including the four Cheshire 'witches' of Middlewich, Nantwich, Northwich and Leftwich (a small village south of Northwich), and Droitwich in Worcestershire. Middlewich, Nantwich, Northwich and Droitwich are known as the "Domesday Wiches" due to their mention in the Domesday Book, "an indication of the significance of the salt-working towns in the economy of the region, and indeed of the country". Salt was very important to Europe because it was hard to trade with Africa and they needed to produce it themselves. Monopolies over salt production and trade were essential
Suffix (name) often a suffix such as AIA or RIBA that refers to their professional society. Examination Office personnel within the United Kingdom who are registered with the Examination Officers' Association use MEOA. Project managers that have obtained certification as Project Management Professionals from the Project Management Institute may use the suffix PMP after their name. Similarly, individuals who hold certifications in the field of information security – e.g. CISA, CISSP, and/or CISM – may use them as suffixes. The suffix PT is used by Physical Therapists to denote their state certification, but not to be confused with DPT (Doctor of Physical