That which
What and that which are semantically related. In some cases you can use "What" instead a conjunction phrase "That which".
What
What interjection - How surprising, doubtful, or unbelievable.
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Synonyms for What
That which and what are semantically related. You can use "That which" instead a conjunction "What".
Mutual synonyms
Cite this Source
What and That which. (2016). Retrieved 2026, July 27, from https://thesaurus.plus/related/that_which/what
That which & What. N.p., 2016. Web. 27 Jul. 2026. <https://thesaurus.plus/related/that_which/what>.
What or That which. 2016. Accessed July 27, 2026. https://thesaurus.plus/related/that_which/what.
Google Ngram Viewer shows how "that which" and "what" have occurred on timeline