Finnish word uskollinen comes from Finnish usko ((in inessive) religious. Faith.), Finnish -llinen

Detailed word origin of uskollinen

Dictionary entry	Language	Definition
usko	Finnish (fin)	(in inessive) religious. Faith.
-llinen	Finnish (fin)	Forms adjectives that indicate likeness.. Forms adjectives that indicate possession or relationship.. Forms adjectives that indicate time.. Forms nouns that define a person through his characteristics or possessions.. Forms nouns that indicate an amount.
uskollinen	Finnish (fin)	Faithful.

Words with the same origin as uskollinen