How do you say welcome in Yiddish?
— !װילקום (wilkum) (p), ברוכים־הבאים (brukhim-haboim) (s), ברוך־הבא (borekh-habo)

Generic synonyms for welcome in Yiddish
greetגריסן (grisn)
haveהאָבן
takeנעמען (nemen)