Big Huge Thesaurus

guard dog

noun

• watchdog
• working dog

sounds kind of like

• giardiasis
• gigahertz
• giosue carducci
• giraudoux
• gordius
• grated cheese
• gratis
• gratuitous
• great auk
• great dog
• great skua
• gretzky
• grits
• groats
• grotesque
• grotius
• grudge
• guardhouse