The Thai translation for “subway; underground” is รถไฟใต้ดิน. The Thai, รถไฟใต้ดิน, can be broken down into 3 parts:"train" (รถไฟ), "under" (ใต้) and "earth; soil" (ดิน).
Examples of "subway; underground" in use
There are 6 examples of the Thai word for "subway; underground" being used: