Truly vs Faithfully - What's the difference?

As adverbs the difference between truly and faithfully

is that truly is in accordance with the facts; truthfully, accurately while faithfully is in a faithful manner.

(en-adv)

In accordance with the facts; truthfully, accurately.

* 1946 , (Bertrand Russell), History of Western Philosophy , I.27:

He adds, very truly , that what was fatal to such philosophies as his was not Christianity but the Copernican theory.

Honestly, genuinely, in fact, really.

That is truly all I know.

Truly , that is all I know.

Very.

You are truly silly.

* well and truly

(en adverb)

In a faithful manner.

The CD reproduces music faithfully.

I have been faithfully married for the past twenty years.

(US) A conventional formula for ending a letter, used when the salutation addresses the person for whom the letter is intended using an honorific.

* (formula for ending correspondence) yours faithfully (UK)

* unfaithfully

* yours faithfully