top·knot 
(tŏpnŏt′)
(tŏpnŏt′)n.
1. A crest or knot of hair or feathers on the crown of the head.
2. A decorative ribbon or bow worn as a headdress.
- phenoxide
- phenoxybenzamine
- phentermine
- phentolamine
- phenyl
- phenylalanine
- phenylene
- phenylephrine
- phenylethylamine
- phenylic
- phenylketonuria
- phenylketonuric
- phenylpropanolamine
- phenylthiocarbamide
- phenylthiourea
- phenytoin
- pheochromocytoma
- pheresis
- pheromonal
- pheromone
- phew
- PhG
- phi
- phial
- Phi Beta Kappa