"Le sauvetage" is the act of rescuing someone or something from death or destruction. It is not really a sport, except for a very few number of people who are in training for beach-watching, and...
'Le sport' (singular) means sports at large. J'aime le sport (I like sports generally speaking). Ex: Le sport est bénéfique pour la jeunesse (doing sports is good for youths). There is very little...