As an interjection chur

is a Strong voicing of thanks, approval or agreement. Also used as a parting salutation.

As an adjective chur

is a singular emotive response to a pleasing situation or event.

As a proper noun Chur

is a town in Switzerland, the capital of Graubünden canton.

As a verb chud is

to champ; to bite.

As a noun Chud is

a term historically applied in the early Russian annals to several Finnic peoples in the area of what is now Estonia, Karelia and Northwestern Russia.