Why is it die Solistin?

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

All nouns ending in -in
Sense 1
die

Meaning

[1] Art: Female person who sings, dances, dances or plays

[1] Kunst: weibliche Person, die ein Solo singt, tanzt oder spielt

Examples

[1] The soloists did their job very well today

[1] Die Solistinnen haben ihre Sache heute sehr gut gemacht.

Declension

1 Singular Plural
Nominativ die Solistin die Solistinnen
Genitiv der Solistin der Solistinnen
Dativ der Solistin den Solistinnen
Akkusativ die Solistin die Solistinnen

Pronunciation

Dictionary entries include material from Wiktionary. Wiktionary