Habsburger is a derived term of habsburg.
As a proper noun habsburg is
an alpine castle in aargau canton, northern switzerland.
As a noun habsburg is
a member of the habsburg noble family.
Other Comparisons: What's the difference?
Not English Habsburger has no English definition. It may be misspelled.
(en proper noun
An Alpine castle in Aargau canton, northern Switzerland.
A Swabian noble family named after it, which became the ruling (hereditary) dynasty of Austria, at times other countries (mainly in Iberia and the former Burgundian territories) and supplied successive (elected) emperors of the Holy Roman Empire.
* (dynasty) Habsburgers (p)
a member of the Habsburg noble family