modius /mōˈdi-əs or modˈi-ŭs/

1. A Roman dry measure, roughly equivalent to a peck
2. A cylindrical headdress of the gods

• know a hawk from a handsaw
• know-all
• 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