Språk, language.

Språklära, grammar.

Språng, leap, jump.

Spränga, to spring, to blow up.

Sprätt, beau, fop, dude.

Spy, to vomit, to puke.

Spå, to foretell, to predict.

Spådom, prediction, presage.

Spår, track; footstep.

Spåra, to trace; to perceive.