I1N1T1E1R1C3H4A1N1G2I1N1G2
20 points
INTERCHANGING is validvalid
INTERCHANGE, [v INTERCHANGED, INTERCHANGES, INTERCHANGING] : INTERCHANGEABLE [v]
INTERCHANGE, to put each of (two things) in the place of the other, also ENTERCHAUNGE [v]
INTERCHANGE, [v INTERCHANGED, INTERCHANGES, INTERCHANGING] : INTERCHANGEABLE [v]
INTERCHANGE, to put each of (two things) in the place of the other, also ENTERCHAUNGE [v]