Rarefy
131spelling — 1. Before the invention of printing in the 15c, English and other European languages lacked any regularity of spelling and usage was largely based on personal preference. Despite the development of rules, English remains notoriously beset by… …
132stupefy — meaning ‘to make insensible’ or ‘to astonish’, is spelt efy (like liquefy and rarefy), not ify (like dignify and modify) …
