How Do You Spell OASTL?
Pronunciation: [ˈə͡ʊsə͡l] (IPA) 
The spelling of the word "OASTL" is unique and somewhat confusing. It is pronounced as /oʊstəl/ using IPA phonetic transcription. The word itself is derived from the word "oast" which means a kiln used for drying hops in the beer-making process. The addition of the "L" at the end of the word is believed to be a variant or regional variation of the word. While it may be confusing at first, understanding the origins of the word can help with proper pronunciation and spelling.
