con·trac·tor 
(kŏntrăk′tər, kən-trăk-)
(kŏntrăk′tər, kən-trăk-)n.
1. One that agrees to furnish materials or perform services at a specified price, especially for construction work.
2. Something, especially a muscle, that contracts.
- Karl Alexander
- Karl Ernst Ritter von
- Karl Friedrich
- Karl Herbert
- Karl Herbert Frahm
- Karl Hjalmar
- Karl Jay
- Karl-Marx-Stadt
- Karloff
- Karlovy Vary
- Karl Raimund
- Karl Rudolf Gerd von
- Karlsbad
- Karlsruhe
- Karlstad
- Karl Theodor
- Karl Theodor Wilhelm
- Karl von
- Karl Waldemar
- Karl XIV Johan
- Karl XIV Johan
- karma
- karmic
- Karnak
- Karnataka