faith
trust or belief kept
Root
- fid: trust or faith
Other words with the fid root
- confidence: trust in oneself or something
- diffidence: lack of self-confidence
- diffident: lacking confidence
- fidelity: faithfulness or loyalty
- perfidious: treacherous or deliberately faithless
- perfidy: treachery or breach of faith
Faith is the familiar trust word behind the fid family.
Her faith in the method grew after three hard words finally made sense.