kogod

1. formal someone; anybody
   Ako te kogod pita, reci da nisam tu. — If anyone asks you, say I'm not here.
   Valjda će kogod doći. — Someone will probably come.

Kogod (= neko 'someone') is written as one word. In the meaning 'whoever, anyone at all' it is written as two words: ko god da dođe.