Stopping up
Secure and stopping up are semantically related. in obstruct topic. In some cases you can use "Secure" instead a verb "Stopping up", when it comes to topics like make airtight.
Secure
Secure verb - To drive danger or attack away from.
Cite this Source
Secure and Stopping up. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/stopping_up/secure
Stopping up & Secure. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/stopping_up/secure>.
Secure or Stopping up. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/stopping_up/secure.
Google Ngram Viewer shows how "stopping up" and "secure" have occurred on timeline