Non deficies (when addressing one person)
Non deficietis (when addressing more than one person)
Habe fidem.
The words keep the faith in the Latin language are said as permanerent in fide. In the Italian language these words are mantenere la fede.
The Latin phrase for bad faith is mala fides. The Spanish phrase for these words is mala fe and the Italian phrase is malafede.
The greek root word for faith is pistis (n) or pisteuo (v). The English word for faith has its root in latin ("Fide") - not greek.
This is Latin, and it is two words. Bona fide. It means "in good faith", "made honestly, without deceit or contempt". Bona=good, fide=faith.
Fides.
Fides.
The Latin word for believe is credo, credere. We get the word "credit" from it.
Fides is the Latin word for faith, fide would be the ablative case, meaning "by faith"
fide in Latin means faith--- as in Bona Fide (in good faith) Confide (discuss with faith/trust), Fidelity (faithful devotion to on another).
Fides.
"Bona fide" is typically written as two words. It is a Latin term that means "in good faith" or "genuine."