Declare
Swear to
Declare and swear to are semantically related in vouch for topic. Sometimes you can use "Declare" instead a verb "Swear to", if it concerns topics such as give assurance.
Mutual synonyms
Cite this Source
Swear to and Declare. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/declare/swear_to
Declare & Swear to. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/declare/swear_to>.
Swear to or Declare. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/declare/swear_to.
Google Ngram Viewer shows how "declare" and "swear to" have occurred on timeline