To avoid slipping up in published work or email exchanges, run these rapid self-checks before hitting send:
The Wakefulness Test: Can you replace the word with "awake," "aware," or "deliberate"? If the sentence still makes grammatical sense, the word you want is conscious. ("The driver was fully awake after the crash" works; therefore, "The driver was fully conscious.")
The Guilt Test: Can you substitute "sense of right and wrong" or "guilt"? If yes, you need the noun conscience. ("Her guilt would not let her keep the money" works; therefore, "Her conscience would not let her keep the money.")
The Suffix Audit: Look at the very end of the word you typed. If it ends in -ence, it must function as a noun representing a thing or concept. If it ends in -ous, it must describe a person, thought, or condition.
