guaco /gwäˈkō/

1. Any of several tropical American plants reputedly antidotal against snakebite, esp species of Mikania (climbing composites), and of Aristolochia
2. The medicinal substance obtained from them

• know which side one's bread is buttered on
• know who's who
• knub
• knubbier
• knubbiest
• knubble
• knubbled
• knubbles
• knubblier
• knubbliest
• knubbling
• knubbly
• knubby
• knubs
• knuckle
• knuckleball
• knuckleballer
• knuckleballers
• knuckleballs
• knuckle-bone
• knuckle-bones
• knuckle-bow
• knuckle-bows
• knuckled
• knuckle down