Related Clues:

• Prefix with ''athlete'' or ''angle''
• Prefix on many chemical compound names
• Half of sex-
• TNT component?
• Prefix meaning "eight"
• Athlete lead-in
• Plex opener
• One less than quadri-
• Start for "athlete" or "focals"
• Cycle or angle lead-in
• City or state lead-in
• Square root of nona-
• Prefix with valent
• Prefix meaning "ten"
• Prefix for the square root of this clue