sucker
Confide
The word responsibility is a noun which means liability, charge, obligation, duty, trust, or accountability. The word accountability is a noun which means liability, charge, amenability, blame, trust, or responsibility. Example sentences: I had the responsibility for ensuring that all patients' records were kept accurately. I accepted accountability for the patient's records that were misfiled.
Another word that means the same as trust is belief. Also reliance.
The Latin root word for trust is "fidere," which means "to trust" or "to have faith in."
It means you can trust her. Her word is good.
Untrustworthy
root word that means "to have confidence in". The affix 'dis' negates the meaning.
There isn't a synonym for the word trust that is four letters. But try, hope or love.
For the noun tax, meaning a charge levied by the government, a six-letter synonym could be custom. For the verb tax, meaning to levy a charge on property, a synonym could be assess.
trust
Trust
TRUST