phi /fī or fē/

1. The twenty-first letter (Φ, φ) of the Greek alphabet, orig as aspirated p (as in upheave), now pronounced as f and transliterated ph
2. As a Greek numeral φˈ = 500, ˌφ = 500000

PHI

Permanent health insurance

• ophiophagous
• ophiophilist
• ophiophilists
• Ophism
• ophite
• ophites
• ophitic
• Ophitism
• Ophiuchus
• ophiura
• ophiuran
• ophiurans
• ophiuras
• ophiurid
• Ophiuridae
• ophiurids
• ophiuroid
• Ophiuroidea
• ophiuroids
• ophthalm-
• ophthalmia
• ophthalmias
• ophthalmic
• ophthalmic optician
• ophthalmist