pt

1. Part
2. Past
3. Past tense
4. Pint or pints
5. Point
6. Port
7. Post-town

PT

1. Pacific Time
2. Personal trainer, or training
3. Physical therapy
4. Physical training
5. Postal telegraph
6. Pupil teacher
7. Purchase tax (historical)

Pt (chem)

Platinum

• computer literate
• computer-readable
• computers
• computer science
• computer sciences
• computer scientist
• computer scientists
• computer virus
• computes
• computing
• computings
• computist
• computists
• compère
• compèred
• compères
• compèring
• Comr.
• comrade
• comrade-in-arms
• comradely
• comrades
• comradeship
• comradeships
• comrades-in-arms