Related Clues:

• Grand-scale prefix
• Large prefix
• Prefix with mall or store
• Before bucks or bytes
• Mega- squared
• Watts intro
• Start for bucks or deal
• More than mega
• Jumbo
• Big start?
• Prefix with byte or hertz
• Thousand : kilo :: trillion : ___
• Humongous prefix
• Prefix for ''watt'' or ''byte''
• Prefix with ''phone''