Suvarnabhumi = BKK, one of the international airports in Bangkok. Many English speaking expats call it ‘Swampy’. That may be less than useful when communicating with a taxi driver which is important because Bangkok has two airports.
The following is from a Thorntree thread with the same subject as this post. Each > is from a post in the original thread. It contains both the correct pronunciation and some comedy, so keep reading.
>Agree with Joy16: Su-wanna-POOM
>I prefer su-wan-na.
Is that poom as in boot, or poom as in book?
>Mr. Poom ran over my leg with his ####’n car!
I wanna sue Poom!
soo wan na phuum
>the first three syllables run together almost as one – su’wanna-poom. Capt-C – it’s poom as in room