Related Clues:

• Regrettable
• Contrite
• Kind of tile
• This, for example
• Detective's need
• 'I take it back'
• Popular cookie
• Print, maybe
• Unimportant
• Torture over a rack?
• It may be found with a magnifying glass
• Guiding light?
• Inkling
• Severe sentence
• Fingerprint, perhaps