security
[ si-kyoor-i-tee ]SHOW IPA
noun, plural se·cu·ri·ties.
freedom from danger, risk, etc.;
safety.
freedom from care, anxiety, or doubt; well-founded confidence.
something that secures or makes safe;
protection;
defense.
assurance
[ uh-shoor-uhns, -shur- ]SHOW IPA
noun
a positive declaration intended to give confidence: He received assurances of support for the project.
promise or pledge; guaranty; surety: He gave his assurance that the job would be done.
full confidence; freedom from doubt; certainty: