This is the 2165th most frequent German word.
beitritt
"Beitritt" means "accession" or "joining."
The word 'Beitritt' here refers to the act of joining or accession to an organization or union.
Der Beitritt zur Europäischen Union war ein bedeutender Schritt für das Land.
The accession to the European Union was a significant step for the country.
The word 'Beitritt' in this sentence emphasizes the action of joining a smaller social or organizational group, like a club.
Ihr Beitritt zum Verein hat neues Leben in die Gruppe gebracht.
Her joining the club brought new life to the group.
This usage of 'Beitritt' pertains to the process or results of new members becoming part of an entity.