carefully
Comparative: more faithfully Superlative: most faithfully
Yours Faithfully
Faithfully is an adverb and does not have a plural form. There cannot be more than one faithfully.
The servant stayed faithfully by his master, no matter the problem. The novel was translated as faithfully as possible.
faithfully
I am faithfully yours.
Comparative - more reliable Superlative - most reliable.
Dependably and reliably are synonyms for faithfully.
My sister Faithfully prayed to god
I have faithfully served the Lord with all my heart.
The correct spelling is "faithfully" (in a loyal manner).
It can be... as in the sentence "She followed him faithfully."; in which case she is the subject, followed is an action verb, him is the direct object, and faithfully is an abverb modifying the verb followed.