Mk

1. Mark (German currency)
2. Markka (Finnish currency)

MK

1. Macedonia (IVR)
2. Mark (of cars)

• unknown
• unknownness
• unknownnesses
• unknown quantity
• unknowns
• unlabelled
• unlaborious
• unlaboured
• unlabouring
• unlace
• unlaced
• unlaces
• unlacing
• unlade
• unladed
• unladen
• unlades
• unlading
• unladings
• unladylike
• unlaid
• unlamented
• unlash
• unlashed
• unlashes