Similar words
Wurzel
Vorfahr is one specific ancestor; Wurzel is used figuratively for one's roots or origin more broadly (cultural, not just a specific person).
Similar in other languages
French
ancêtre
ancêtre is the French word for the same thing — both mean "ancestor."
Portuguese
antepassado
antepassado is the Portuguese word for the same thing — both mean "ancestor."
Practice
1 What does Vorfahr mean?
ancestor
2 Fill the gap: Seine ___ kamen aus Polen.
Full sentence: Seine Vorfahren kamen aus Polen. (His ancestors came from Poland.)
3 Which fingerprint chart matches Vorfahr?
Vorfahr: neutral register, common frequency, general domain, neutral connotation.