APPARATUS + PARTITION = FOUNTAINS ~~ Words Used : APPARATUS, FOUNTAINS and PARTITION.
FOUNTAINS + ROTATIONS = TRANSIENT ~~ Words Used : FOUNTAINS, ROTATIONS and TRANSIENT.
INTERESTS + INTERIORS = FOUNTAINS ~~ Words Used : FOUNTAINS, INTERESTS and INTERIORS.
The rules for cryptarithm puzzles are simple. Each letter represents one of the digits 0 to 9. Different letters represent different digits. The first digit in a number can't be 0. Your job is to find out what digit each letter represents. This page has links to puzzles containing "FOUNTAINS"