fiord vs fjord

fiord and fjord both are nouns.

Word	Noun	Adjective	Verb	Adverb
fiord	Yes	No	No	No
fjord	Yes	No	No	No

As nouns, fiord and fjord are synonyms defined as:

fiord and fjord: a long narrow inlet of the sea between steep cliffs; common in Norway

fiord (noun)	fjord (noun)
a long narrow inlet of the sea between steep cliffs; common in Norway	a long narrow inlet of the sea between steep cliffs; common in Norway