Wuss (coward) is der Feiglingin German.
It's not clear whether you mean the name "Morgan" or the Yiddish word "MOR-gen". Assuming the latter, the Yiddish "MOR-gen" means "tomorrow", straight from the German.
Yiddish is the historical language of the Ashkenazi Jews, combining elements of German with Hebrew and Aramaic. It is primarily spoken by Jewish communities originating from Central and Eastern Europe.
If you mean nosh, as in food - it has a Yiddish/German connection. In Yiddish as 'nashn' as in nibbles, and in German as 'Naschen'. There is also a word 'khnaskwajanan' meaning restaurant and shortened to 'nosh house'
In both German and Yiddish, Falk simply means "falcon."
It means healthy, just like the German word "gesund"
"Pretty" or "Beautiful". By way of Yiddish, it comes from the German "schon" (with an umlaut), which has the same meaning.
The Yiddish word for 'sister' is exactly the same as in German: pronounced "SHVESS-tair".
Do that in German, and you'll be clearly understood by any Yiddish speaker.
Example: Why does Yiddish sound like German?
The same as it means in German (the two languages do overlap to an extant): Hurry up!
The Yiddish term for the color 'black' is "SHVARTZ", exactly as in German.
"EE-mah" is a Hebrew word, meaning 'mother'. The Yiddish word for 'mother' is "MOO-tehr" ... straight from German.