1. phil (love)

2. bibliophile
She must be a bibliophile; she has finished her 5th novel this month!

3. Philadelphia
Philadelphia is known as the City of Brotherly Love.

4. philander
Pam told her boyfriend, Donnie, not to philander while he was at the dance.

5. philanthropist

6. philatelist
My brother was a philatelist when he was younger.

7. philharmonic
The London Philharmonic's brilliant conductor proves as much mystic as perfectionist.

8. philodendron
My grandmother had a philodendron in her house when I was a little girl.

9. philoprogenitive
The philoprogenitive grandma baked cookies for her grandchildren.

10. philosophy
My philosophy is a belief that by helping one another the world will be a better place.

11. philter
In some fairytales philters are used so the prince falls in love with the princess.