| contender(noun, person) |
| critter(animal, creature, fauna, being) |
| disputant(noun, person, combatant) |
| doggery(animal, creature, fauna, being) |
| doggie(animal, creature, fauna, being) |
| doggy(animal, creature, fauna, being) |
| domestic dog(animal, creature, fauna, being) |
| flea bag(animal, creature, fauna, being) |
| frank(animal, creature, fauna, being) |
| frankfurter(animal, creature, fauna, being) |
| hound(animal, creature, fauna, being) |
| jouster(noun, person, combatant) |
| man's best friend(animal, creature, fauna, being) |
| mercenary(noun, person, combatant) |
| mongrel(animal, creature, fauna, being) |
| monster(animal, creature, fauna, being) |
| mutt(animal, creature, fauna, being) |
| pawl(animal, creature, fauna, being) |
| pooch(animal, creature, fauna, being) |
| prizefighter(noun, pugilist) |