One Word Substitution One word, representing a phrase or sentence or clause, helps in communicating precisely. Here is a list of 20 commonly used words. You may also check this quiz on One word Substitution to learn 100+ words. 1. Able to use the left hand and right hand equally well - Ambidextrous 2. A lightly constructed open booth generally used as a newsstand- Kiosk 3. A game in