macOS Something

The new version of the Mac operating system is called macOS Sequoia.

Apple says /sə 'koiə/. You can hear it in the WWDC24 presentation.

The American Heritage Dictionary (online) gives the pronunciation as /sĭ-kwoi′ə/.

Merriam-Webster (online) gives /si-'kwoi-ə/.

Both British English pronunciations in the Oxford English Dictionary have the kw sound: /sɪˈkwəʊɪə/ and /sɪˈkwɔɪə/. (I’m reproducing each dictionary’s phonetic spellings as given.)

The New Oxford American Dictionary (on the Mac) has /sə'koiə/ for the tree and /sə'kwoiə/ for the Cherokee scholar.

I’ve rarely said sequoia, but when I have, I’ve said it with the kw.

Apple can choose whatever pronunciation it likes, just as Toyota can choose Prii (lol) as the plural of Prius. For anyone who balks at /sə 'koiə/, the simple choice would be to say macOS 15.

[I found myself willing to watch only a few scattered minutes of the WWDC24 event. When I saw an image of an iPhone with the prominent message CONNECT YOUR HAIR DRYER, I drew a line in the mental sand.]