What's the difference between ousel and tousel?

Ousel

Definition:

• (n.) One of several species of European thrushes, especially the blackbird (Merula merula, or Turdus merula), and the mountain or ring ousel (Turdus torquatus).

Example Sentences:

Tousel

Definition:

• (v. t.) Same as Tousle.

Example Sentences: