ستان stan

کوردKurd

کوردستانKurdistan

دارtree
dar

دارستانforest
darstan

گۆڕlevel ground; grave
gor

گۆڕستانgraveyard
gorstan

کێوmountain
kew

کوێستانmountainous area
kewstan

There are many words for mountain in Kurdish.