1) sky 2) wheel
chaKh is a masculine noun taken from Farsi (Persian).
ahal-e-Guroor-o-hirs ko kyaa zikr-e-sharaf
taa-charKh bhii pahuNch ke wo shaitaan hii rahe
[ahal = people/one who is; Guroor = pride; hirs = greed]
[sharaf = eminence/nobility/honour; taa = upto]
1) charKh-e-bareeN = charKh-e-falak = seventh heaven. Another word used for this is 'arsh'.
2) charKhaab = charKh + aab (water) = whirlpool Another word for whirlpool is 'girdaab'
3) charKhagii = victory dance by a wrestler around the arena
4) charKh_zanii = 1) whirl around/dance 2) travel (tourism)
Note: charKh_zanii is a noun of the feminine gender. All others are masculine.