security vs insecurity

security and insecurity both are nouns.

Word	Noun	Adjective	Verb	Adverb
security	Yes	No	No	No
insecurity	Yes	No	No	No

security (noun)	insecurity (noun)
measures taken as a precaution against theft or espionage or sabotage etc.	the anxiety you experience when you feel vulnerable and insecure
an electrical device that sets off an alarm when someone tries to break in	the state of being subject to danger or injury
a guarantee that an obligation will be met
freedom from anxiety or fear
a department responsible for the security of the institution's property and workers
property that your creditor can claim in case you default on your obligation
defense against financial failure; financial independence
a formal declaration that documents a fact of relevance to finance and investment; the holder has a right to receive interest or dividends
the state of being free from danger or injury