How is your writing going this holiday vacation? I’m pretty much torn between my desire to sleep and urge to finish my screenplay.
No, Contentious is not derived from content. It’s not its adjective. It’s not another noun with the same meaning. It’s a totally different word that has a totally different meaning.
Content [kuhn-tent] or Contented [kuhn-ten-tid] (adj.):
satisfied, contempt, agreeing.
You can’t bribe me with your money, I’m contented with my own.
Contentious [kuhn-ten-shuhs] (adj.):
1. argumentative, quarrelsome.
2. causing argument or strife.
When the issue became contentious, the negotiation had to be halted until both parties regained their composure.