12-Letter Words Containing: A,C,D,E,E,H,R,T

• insert a catheter into (a body part)

• Any of many marine worms, of the phylum Hemichordata, that have a primitive notochord

• Of, pertaining to, or characteristic of these animals

• a junction of highways on different levels that permits traffic to move from one to another without crossing traffic streams

• mutual interaction; the activity of reciprocating or exchanging (especially information)

• the act of changing one thing for another thing

• reciprocal transfer of equivalent sums of money (especially the currencies of different countries)

• put in the place of another; switch seemingly equivalent items

• give to, and receive from, one another

• cause to change places

• reverse (a direction, attitude, or course of action)

• arranged for performance by an orchestra

• Within, or through the trachea

• remove chlorine from (water)