quatercentenary/ˌkwatəsenʹteenəri, -ʹtenəri/ noun (pl -ies) (pl quatercentenaries)

• knock spots off
• knock the stuffing out of somebody
• knock together
• knock up
• knock-up
• knoll
• knop
• knot
• knot garden
• knotgrass
• knothole
• knotty
• knout
• know
• know-all
• know by sight
• know-how
• knowing
• know-it-all
• knowledge
• knowledgeable
• known
• know no bounds
• know one's onions
• know one's place