ăn nằm 
to live as husband and wife, sleep together, have sex [ ăn ] : (1) to eat (away at), attack, corrode, cost; to attend, celebrate, take part in (a event where food is served); (3) to earn illegally
[ nằm ] : to lie (down), be located in
Most Common Compounds Set 1:
Most Common Compounds Set 2 :