Athleticism
Part of speech: noun
Definition: the state of being an athlete, or of taking part in athletic events a show of athletic prowess (in ballet etc)
Strenuosity
Part of speech: noun
Definition: The quality or state of being strenuous.
Athleticism as a noun is the state of being an athlete, or of taking part in athletic events while Strenuosity as a noun is the quality or state of being strenuous.
Part of speech: noun
Definition: the state of being an athlete, or of taking part in athletic events a show of athletic prowess (in ballet etc)
Part of speech: noun
Definition: The quality or state of being strenuous.
We hope you now know whether to use Athleticism or Strenuosity in your sentence.