magnet    isumaku
En-En dictionary 
magnet needle   urushinge rukwega ivyuma, ruriko isumaku
En-En dictionary 
isumaku (i-  3  class 3
singular: i-,in-
plural: i-,in-
  
magnet
ugusumakura   9  class 9
singular: uku-
  
attraction (magnetic)
attraction    (magnetic) ugusumakura
En-En dictionary