So
So adverb - To a great degree.
Usage example: it's so cold outside
That is a synonym for so. In some cases you can use "That" instead the word "So" as an adverb or a conjunction.
That
That adverb - To a great degree.
Usage example: the hotel isn't that far from the beach
So is a synonym for that in because topic. You can use "So" instead the word "That" as an adverb or a conjunction.
Mutual synonyms
Cite this Source
That and So. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/so/that
So & That. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/so/that>.
That or So. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/so/that.
Google Ngram Viewer shows how "so" and "that" have occurred on timeline