3 Answers

hard, uneasy, Oh, look it up…….:     

What is the relationship between "excited" and "thrill"?   "Excited" is past tense, something that has already happened.  You were "excited" by a thrill?  Or a thrill excited you....

Both words are rather abstract, as is difficult, and both are subjective.  If you phrased your question:
Excited is to thrill as (blank) is to difficult

I think "challenged", "stymied", "perplexed" might be suitable answers.

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