insurance

nouns

promise of reimbursement in the case of loss; paid to people or companies so concerned about hazards that they have made prepayments to an insurance company
is derived from
is a type of (narrower)
defense against financial failure; financial independence
"his pension gave him security in his old age"; "insurance provided protection against loss of wages due to illness"
written contract or certificate of insurance
"you should have read the small print on your policy"
protection against future loss
is derived from