I am quite unsure about which preposition is correct, but I am aware that "interest" is usually followed by "in".

For example:

"I've been interested in sports ever since I was young"

Though I am not sure if I should say

"I study ___ out of pure interest in the language."


"I study___ out of pure interest for the language."

2 Answers 2


Based on the collocations, in is a lot more common. I would consider a language more in the categories of matter and subjects than the likely money related terms that are usually collocating with interest for. So unless you are paying interest, stick with interest in.

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  • Thank you very much. I actually did stick to "in" because ultimately it felt more natural, but it's good to have clarity.
    – user42250
    Commented Sep 25, 2016 at 10:11

In the COCA corpus, the preposition 'in' can be found 17 times, but the preposition 'for' 6 times. It doesn't look like there is a big difference between them, but 'in' is preferred in usage.

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