DETACHING + DETECTING = EFFICIENT ~~ Words Used : DETACHING, DETECTING and EFFICIENT.
TEACHINGS + TEACHINGS = DETACHING ~~ Words Used : DETACHING and TEACHINGS.
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 "DETACHING"