As nouns the difference between tuberculosis and dog

is that tuberculosis is (pathology) an infectious disease of humans and animals caused by a species of mycobacterium, usually , mainly infecting the lungs where it causes tubercles characterized by the expectoration of mucus and sputum, fever, weight loss, and chest pain, and transmitted through inhalation or ingestion of bacteria while dog is a mammal, canis lupus familiaris , that has been domesticated for thousands of years, of highly variable appearance due to human breeding.

As a verb dog is

to pursue with the intent to catch.