This is the 12826th most frequent German word.
wyss
"Wyss" is not a standard German word; it is a Swiss German surname meaning "white."
Here, 'Wyss' is used as a proper noun, specifically a last name.
Frau Wyss ist meine Deutschlehrerin.
Mrs. Wyss is my German teacher.
In this sentence, 'weiß' (similar in pronunciation to 'wyss') is an adjective meaning 'white.' Though their forms differ, this showcases linguistic similarity.
Die Wände des Hauses sind weiß gestrichen.
The walls of the house are painted white.
This refers to the regional or dialectal usage where 'wyss' equates to the standard German 'weiß.'