Sign up
Sign up verb - Engage by written agreement.
Troth
Troth verb - To obligate by prior agreement.
Usage example: I troth myself eternally to your service
Nearby Word: trot
Cite this Source
Troth and Sign up. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/sign_up/troth
Sign up & Troth. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/sign_up/troth>.
Troth or Sign up. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/sign_up/troth.
Google Ngram Viewer shows how "sign up" and "troth" have occurred on timeline