The right pronunciation of “mayo” is a subject of a lot debate. Some folks insist that it must be pronounced “may-oh,” whereas others preserve that “may-yo” is the one acceptable pronunciation. So, how do you say mayo? The reply, it seems, is just not as simple as you may assume.
The Oxford English Dictionary lists each “may-oh” and “may-yo” as acceptable pronunciations of the phrase. Nonetheless, the “may-oh” pronunciation is extra widespread in the USA, whereas the “may-yo” pronunciation is extra widespread in the UK. Finally, the pronunciation you select is a matter of private choice.