pulk 
(plk)
(plk)n.
A small sled used to carry equipment or small children and designed to be pulled by a cross-country skier or snowshoer.
[Norwegian pulk, from Sami bulke.]
pulk- freeboot
- freebooter
- freeborn
- free city
- free climb
- free climbing
- free dive
- freediving
- free diving
- freedman
- freedom
- freedom fighter
- freedom of speech
- freedom of the seas
- freedom ride
- freedom rider
- freedwoman
- free energy
- free enterprise
- free-enterprise
- free fall
- freefall
- free-fire zone
- free-floating
- free-for-all