Words Steel and Unnerve are semantically related or have opposite

How are the words Steel and Unnerve related? Steel and Unnerve are antonymous, they have opposite meaning.

edX/MITx 6.00x Introduction to Computer Science and Programming/ProblemSet3/ words.txt at master · ConAntonakos/edX · GitHub

Rogets Thesaurus, PDF, Project Gutenberg

word_frequency/others/COCA20000plus.txt at master · reycn/word_frequency · GitHub

Words Steel and Unnerve are semantically related or have opposite meaning

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Semantic relations in WordNet.

4 GreggDictionary PDF, PDF, Shorthand

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CS-1.1-Object-Oriented-Programming/Projects/Spaceman/words.txt at master · Make-School-Courses/CS-1.1-Object-Oriented-Programming · GitHub

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