Maist o Ukraine's oblasts are namit efter their caipital ceeties, offeecially referred tae as ""oblast centers"" (Ukrainian: обласний центр, translit. oblasnyi tsentr). The name o each oblast is a relative adjective, formit bi addin a feminine suffix tae the name o respective center ceety: Sumy is the center o the Sums’ka oblast’ (Sumy Oblast). Maist oblasts are an aw sometimes referred tae in a feminine noun form, follaein the convention o traditional regional place names, endin wi the suffix ""-shchyna"", as is the case wi the Sumy Oblast, Sumshchyna.