The word "Chafery" may seem puzzling in terms of its spelling, but it is actually quite straightforward when broken down phonetically. The IPA transcription for "Chafery" is /ˈʃeɪf(ə)ri/. The /ʃ/ sound represents the "sh" sound, the /eɪ/ sound represents the "a" sound as in "say", and the /f/ sound represents the "f" sound. The ending -ery is pronounced as /r-i/, with a silent "e", giving the word its distinct spelling. Overall, "Chafery" is spelled phonetically, making it easy to sound out once you understand its components.
A forge in iron-works.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.