Many German nouns are wrongly lower case when using gestures

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All German nouns are capitalized. In English this would be something like this: I went to the Car, drove to the Restaurant, ate a Pizza and returned Home.

And actually, AnySoftKeyboard does capitalize many German nouns when using gestures – but not all. I think it writes those nouns in lower case that also exist in English. For example, when I regularly type "Clouds" it's recognized as upper case. But when I gesture-type the same word, it's written in lower case.

Android OS version: 9

Device manufacturer and model: Fairphone 3

List of installed add-ons (like languages, or themes): German

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"Clouds" correctly upper case when regularly typed:

"clouds" incorrectly lower case when gesture-typed: