diatessaron /dī-ə-tesˈə-ron, -rən/

1. An arrangement of the four Gospels as a single narrative, esp the earliest, that of Tatian (prob 110–180AD)
2. The interval of a fourth (music)
3. A medicine of four ingredients

• know-alls
• know all the answers
• know a man by his company
• know a move or two
• know a thing or two
• know better
• know by sight
• knowe
• knower
• knowers
• knowes
• know-how
• knowhow
• know how many beans make five
• know-hows
• knowing
• knowing card
• knowingly
• knowingness
• knowingnesses
• knowing to
• know inside out
• knowledgabilities
• knowledgability
• knowledgable