1 (wiktionary) 2 (vi.wikipedia) 3 (en.wikipedia) 4 (glosbe)

Verbs Nouns Adjectives/Adverbs Pronouns Prepositions Conjunctions
FAITHFULLY (Advanced search)

NGSL3000 faithfully in a trustworthy manner adv

faithfully {adv} (in a faithful manner) yours faithfully {adj} (a polite formula to end letters)