Final answer:
The academic words in the passage are 'nobility', 'bravery', and 'executing'. Academic words usually have more formal and specific meanings.
Step-by-step explanation:
In the given passage, the three words that can be considered as academic words are 'nobility', 'bravery', and 'executing'. Academic words are often used in academic writing and are more formal. 'Nobility' refers to the quality of being noble in character, quality or rank. 'Bravery' means courageous behavior or character. 'Executing' in this context means to carry out a plan or course of action.
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