| Word | Scrabble | WWF |
|---|---|---|
| PIA (3) TWLCollinsWWF noun: The pia mater, the innermost of the meninges that protect the brain and spinal cord [def] | 5 P (3) + I (1) + A (1) | 6 |
| PA (2) TWLCollinsWWF noun: Father, papa. [def] | 4 P (3) + A (1) | 5 |
| PI (2) TWLCollinsWWF noun: The 16th letter of the Classical and Modern Greek alphabets and the seventeenth in Old Greek. [def] | 4 P (3) + I (1) | 5 |
| AI (2) TWLCollinsWWF noun: A type of three-toed sloth, Bradypus tridactylus, endemic to forests of southern Venezuela, the Guianas, and northern Brazil. [def] | 2 A (1) + I (1) | 2 |