English Theasurus that shows all the ways the English word is translated from the original Greek and Hebrew.
English Theasurus from the Hebrew and Greek Strong's Dictionary
grey 7872 seybah -- -- (be) gray ({grey} hoar,-y) hairs (head,-ed), old age.
greyhound 2223 -- zarziyr -- + {greyhound}.
greyhound 4975 -- mothen -- + {greyhound}, loins, side.