Commit
Commit verb - To obligate by prior agreement.
Usage example: we were committed to finishing the project
Both words in one sentence
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Caligula got better, and then told the senator he wouldn't allow him to commit perjury by refusing to keep his vow.
Source: Series / I, Claudius -
His true Morality Pet, though, is his home, Opal City; it is mainly because of his vow never to commit crimes in Opal City that he is able to make friends with the local law enforcement.
Source: Morality Pet - In his case, it's at least partly because his father made a vow that Ranma would have to commit Seppuku if his mother ever thought he wasn't a real man.
Source: I Want to Be a Real Man
Cite this Source
Vow and Commit. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/commit/vow
Commit & Vow. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/commit/vow>.
Vow or Commit. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/commit/vow.
Google Ngram Viewer shows how "commit" and "vow" have occurred on timeline