18 possible answers to
Answers with 3 characters: EYE SEE Answers with 4 characters: LOOK TEND Answers with 5 characters: SPYON TIMEX VIGIL Answers with 6 characters: LOOKAT LOOKON SENTRY Answers with 7 characters: MONITOR OBSERVE WITNESS Answers with 8 characters: SPECTATE Answers with 9 characters: TIMEPIECE Answers with 10 characters: KEEPTABSON STANDGUARD Answers with 11 characters: KEEPANEYEON