What's the difference between argonaut and jargonaut?

Argonaut

Definition:

• (n.) Any one of the legendary Greek heroes who sailed with Jason, in the Argo, in quest of the Golden Fleece.
• (n.) A cephalopod of the genus Argonauta.

Example Sentences:

• (1) People who enjoyed Maggie Nelson’s The Argonauts this year are also bound to like this; Myles is one of Nelson’s great influences.
• (2) Its dive and climb performance is regulated by ballast tanks, and it has been described as "crisply argonautic".
• (3) It was the second worst performing fund of the year, losing 15.7% and beaten to the bottom only by an absolute return fund from Argonaut Partners.

Jargonaut

Definition:

Example Sentences: