Preexistent and Soon

Preexistent adjective - Existing previously or before something.

Soon and preexistent are semantically related. in sooner than expected topic. In some cases you can use "Soon" instead the word "Preexistent" as an adjective or an adverb.

Soon adverb - At or within a short time.

Preexistent and soon are semantically related. Sometimes you can use "Preexistent" instead the word "Soon" as an adverb or an adjective.