The crossword solutions for the term SEE 21-DOWN are IRON (4 letters), SEA (3 letters), HOO (3 letters), CAB (3 letters), APSO (4 letters), IRAN (4 letters), NEWS (4 letters), SNUG (4 letters), WARD (4 letters), CLOSE (5 letters), ANYONE (6 letters), and PERIMETER (9 letters). These words all have something in common, as they are all related to the term SEE 21-DOWN. IRON is a metal that is often seen in construction, SEA is a large body of water, HOO is an exclamation of surprise, CAB is a type of vehicle, APSO is a breed of dog, IRAN is a country in the Middle East, NEWS is information about current events, SNUG is a feeling of comfort, WARD is a division of a city, CLOSE is the opposite of far, ANYONE is a pronoun used to refer to any person, and PERIMETER is the boundary of an area.