Embark
Part of speech: verb
Definition: To get on a boat or ship or (outside the USA) an aeroplane. To start, begin.
Example sentence: A lot of people that embark on spiritual endeavors tended to, especially in the '60s and '70s, they tended to give up what they had before and cut themselves off from their lives, previous life as it were. But, I don't think that one should do that.
Venture
Part of speech: verb
Definition: To undertake a risky or daring journey.To risk or offer.to dare to engage in; to attempt without any certainty of success. Used with at or on
Part of speech: noun
Definition: A risky or daring undertaking or journey.
Example sentence: Affairs are easier of entrance than of exit; and it is but common prudence to see our way out before we venture in.