I've read in [this article](https://www.japanesewithanime.com/2019/05/no-
subject-marker.html#tricky-parts) that の can replace が when used in a
subordinate clause.

For example, 耳が長いエルフ is the same as 耳の長いエルフ, evidently. However, this article
doesn't describe any difference in nuance between these two options. Is there
any?
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2020-01-14T03:58:48.860
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2020-01-14T03:58:48.860
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question
nuances particle-の
の replacing が in subordinate clauses