What's the difference between warling and wharling?

Warling

Definition:

• (n.) One often quarreled with; -- / word coined, perhaps, to rhyme with darling.

Example Sentences:

• (1) A solitary osteochondroma of the right pedicle of L4 causing sciatalgic pain and difficulty warling and treated by surgery is presented.

Wharling

Definition:

• (n.) A guttural pronunciation of the letter r; a burr. See Burr, n., 6.

Example Sentences: