Identify the word that is not related in meaning to the other words in the set.
1. (a) exotic, (b) ordinary, (c) unusual, (d) foreign
2. (a) impending, (b) imminent, (c) approaching, (d) remote
3. (a) fidelity, (b) heresy, (c) conformity, (d) compliance
4. (a) echo, (b) repeat, (c) originate, (d) reiterate
5. (a) errancy, (b) infallibility. (c) inaccuracy, (d) imperfection
6. (a) insecurely, (b) cleverly, (c) precariously, (d) dangerously
7. (a) disappear, (b) float, (c) vanish, (d) evanesce