What is the word and sound of a mouse?

The OU in house is an OW sound. It can be made by OU and OW.

Words with an OU include the rhyming Words douse, house, louse, blouse, grouse and spouse. Also stout, ounce, pounce, bounce, cloud, couch, flour, and sound.

Words with an OW include how, plow, brown, and drowsy.

(A Word from German with AU is frau.)