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

• roburites
• robust
• robusta
• robustas
• robuster
• robustest
• robustious
• robustiously
• robustiousness
• robustiousnesses
• robustly
• robustness
• robustnesses
• roc
• ROC
• rocaille
• rocailles
• rocambole
• rocamboles
• Roccella
• roch
• Roche limit
• Rochelle
• Rochelle-powder
• Rochelle-salt