billion

2 syllables

• million
• trillion
• zillion
• pillion
• jillian(2)
• killian
• lilian(2)
• dillion
• filion
• fillion
• hillian
• jillion
• killion
• quillian
• stillion

3 syllables

• civilian
• pavilion
• reptilian
• vermilion
• vermillion
• brazilian
• castrillon
• mcmillian
• mcmillion
• octillion
• papillion
• pavillion
• vaudevillian

4 syllables

• crocodilian
• multibillion
• multibillion(2)
• multimillion
• multimillion(2)