- academia 2
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- experimental psychology 2
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- history of oil 2
- inner hedgehog 2
- invasive thoughts 2
- Irish 1
- irregular verbs 1
- language modernization 1
- Mediterranean world 2
- oleic science 2
- philology 4
- Portuguese 1
- profanity 1
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- sausage dogs 2
- social psychology 2
- Spanish 1
- zoology 2