Dog: D-O-G
That is the correct spelling of the word "dog".
Referring is the correct spelling.
That is the correct spelling of "dingo" (Australian wild dog).
The difference is simply the spelling of the word. The correct spelling for a canine is "Dog".
That is the correct spelling of the proper noun Pomeranian (small dog breed).
That is the correct spelling of the verb form "retrieved" (brought back).
That is the correct spelling of the slang term homedog(friend or neighborhood peer).The similar term is hound dog (hunting dog).
The correct spelling is 'pug' (a breed of dog).
The correct spelling is "dalmatian" (breed of dog).
A possible word has the US spelling "canonized" (declared a saint).
That is the correct spelling of the dog breed, capitalized as Pekingese.
If you are referring to the dog, it is two words: Lhasa Apso.