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