Related Clues:

• Like one who errs?
• What ''to err'' is
• Fallible — person
• Like Spock's mother
• Prone to error
• Figure for each skinhead getting on
• ''To err is __''
• Dog's best friend
• 'Star Trek' race
• Sits away from humanists with flesh and blood
• Being liable to error
• Earthling, in sci-fi
• Man, woman or child
• One of the primates
• The 'H' of HR