Mark
Mark verb - To attach an identifying slip to.
Underscore and mark are semantically related In some cases you can use "Underscore" instead a verb "Mark".
Underscore
Underscore verb - Draw a line or lines underneath to call attention to.
Mark and underscore are semantically related in underline topic. You can use "Mark" instead a verb "Underscore".
Cite this Source
Underscore and Mark. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/mark/underscore
Mark & Underscore. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/mark/underscore>.
Underscore or Mark. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/mark/underscore.
Google Ngram Viewer shows how "mark" and "underscore" have occurred on timeline