Why is it der Rumor?

Rumor ends in -or, and almost all nouns ending in -or are masculine: in a German dictionary, 93% of them take der.

All nouns ending in -or
Sense 1
der

Meaning

[1] turmoil, noise, unrest

[1] Aufruhr, Lärm, Unruhe

[2] Rare: struggle, slaughter, fight

[2] selten: Kampf, Gemetzel, Schlägerei

Examples

[1] What kind of rumor does it go in front of her

[1] Was für ein Rumor geht dort vor sich?

[2] "The pastor also spoke less about eternal peace than of the rumor who was over the ground and even captured the Holy Land, Egypt and Iberia"

[2] „Auch der Pfarrer sprach weniger vom ewigen Frieden als von dem Rumor, der übers Erdreich gkommen war und sogar das Heilige Land, Ägypten und Iberia erfasst hatte.“

Declension

1 Singular Plural
Nominativ der Rumor —
Genitiv des Rumors —
Dativ dem Rumor —
Akkusativ den Rumor —

Pronunciation

Dictionary entries include material from Wiktionary. Wiktionary