Ergo and Then

Ergo adverb - For this or that reason.

Then and ergo are semantically related in therefore topic. In some cases you can use "Then" instead the word "Ergo" as an adverb or a conjunction, when it comes to topics like so, for that reason.

Then adverb - In addition to what has been said.

Ergo and then are semantically related in therefore topic. You can use "Ergo" instead the word "Then" as an adverb or a conjunction, if it concerns topics such as so.