fohn vs foehn

fohn and foehn both are nouns.

Word	Noun	Adjective	Verb	Adverb
fohn	Yes	No	No	No
foehn	Yes	No	No	No

As nouns, fohn and foehn are synonyms defined as:

fohn and foehn: a warm dry wind that blows down the northern slopes of the Alps

fohn (noun)	foehn (noun)
a warm dry wind that blows down the northern slopes of the Alps	a warm dry wind that blows down the northern slopes of the Alps