1. By chance
   - possibly, perhaps, maybe, mayhap [archaic], peradventure [archaic] 
2. [archaic] Through chance, "To sleep, perchance to dream.."
   - by chance [archaic]

Encyclopedia: Perchance

• E. L. Doctorow
• E. O. Lawrence
• E. O. Wilson
• E. T. A. Hoffmann
• E. T. S. Walton
• E. W. Morley
• e.g.
• Ea
• each
• each other
• each week
• each year
• Eacles
• Eacles imperialis
• Eadweard Muybridge
• Eadwig
• eager
• eager beaver
• eagerly
• eagerness
• eagle
• eagle owl
• eagle ray
• Eagle Scout
• eagle-eyed