How do you pronounce 階磚?

Q: How do you pronounce 階磚? A: gaai1 zyun1, e.g.

階磚 (gaai1 zyun1) — meaning, pronunciation, examples

階磚 (gaai1 zyun1, jiē zhuān) — paving tile; diamond (the suit in a pack of playing cards)

階磚仔 (gaai1 zyun1 zai2) — diamonds (the suit in a pack of playing cards)
階級 (gaai1 kap1) — caste
階 (gaai1) — rank or step; stairs; official hierarchy
階乘 (gaai1 sing4) — the factorial of a number, e.g. 5! = 5.4.3.2.1 = 120
階地 (gaai1 deng6) — terrace (geography)
階層 (gaai1 cang4) — social class