Select the option that can be used as a one-word substitute for the given group of words.

A new project or business activity involving some risk

Venture

The word that can be used as a one-word substitute for "a new project or business activity involving some risk" is venture.

• Entrepreneur is a person who starts their own business.
• Experiment is a scientific procedure carried out to test a hypothesis.
• Taboo is a social custom prohibiting or restricting certain behaviors or actions.