senega /senˈi-gə/

1. An American milkwort, Polygala senega
2. Its dried root used as an expectorant and reputed by the Seneca Native Americans to be an antidote for snake-bites (also senega snakeroot)

• knowledging
• known
• known as
• known better days
• know-nothing
• know-nothingism
• know-nothings
• knowns
• know one's onions
• know one's own mind
• know one's place
• know one's stuff
• knows
• know something backwards
• know something inside out
• know the ropes
• know the score
• know the time of day
• know what it is
• know what o'clock it is
• know what one is talking about
• know what's o'clock
• know what's what
• know where the shoe pinches
• know which side one's bread is buttered on