Is it der, die or das Rivalin? – die Rivalin, plural die Rivalinnen

Why is it die Rivalin?

Rivalin ends in -in, and most nouns ending in -in are feminine: in a German dictionary, 88% of them take die.

Sense 1

die

[1] The female person who pursues the same goal as his (e) opponent, but only one can achieve this goal

[1] die weibliche Person, die das gleiche Ziel wie sein(e) Gegner verfolgt, wobei aber nur einer dieses Ziel erreichen kann

Ole
.

Dictionary entries include material from Wiktionary. Wiktionary