Why is it die Physiotherapeutin?

Physiotherapeutin 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] Members of a healing aid profession that offers physical treatments in accordance with the medical regulation

[1] Angehörige eines Heilhilfsberufes, der nach ärztlicher Verordnung physikalische Behandlungen anbietet

Examples

[1] Johanna wants to be retrained as a physiotherapist

[1] Johanna will sich zur Physiotherapeutin umschulen lassen.

[1] Manfred wants to change his physiotherapist because he is not satisfied with the current one

[1] Manfred will seine Physiotherapeutin wechseln, weil er mit der jetzigen nicht zufrieden ist.
More source examples (1)

These dictionary examples can include historical and less common uses.

[1] "Later I learned from my physiotherapist that all patients would hate the pillows"

[1] „Später erfuhr ich von meiner Physiotherapeutin, dass alle Patienten die Kissen hassen würden.“

Declension

1 Singular Plural
Nominativ die Physiotherapeutin die Physiotherapeutinnen
Genitiv der Physiotherapeutin der Physiotherapeutinnen
Dativ der Physiotherapeutin den Physiotherapeutinnen
Akkusativ die Physiotherapeutin die Physiotherapeutinnen

Pronunciation

Dictionary entries include material from Wiktionary. Wiktionary