1. One quintillion (10^18)

Encyclopedia: Exa-

• phoenix tree
• Pholadidae
• Pholas
• Pholidae
• Pholidota
• Pholiota
• Pholiota astragalina
• Pholiota aurea
• Pholiota destruens
• Pholiota flammans
• Pholiota flavida
• Pholiota nameko
• Pholiota squarrosa
• Pholiota squarrosa-adiposa
• Pholiota squarrosoides
• Pholis
• Pholis gunnellus
• Pholistoma
• Pholistoma auritum
• phon
• phonate
• phonation
• phone
• phone bill
• phone booth