Final answer:
The correct spelling among the options is 'pernicious'. The other options should be 'hemorrhage', 'leukemia', and 'dyscrasia'.
Step-by-step explanation:
The word spelled correctly from the provided options is C. pernicious. This word is from the English language and it means having a harmful effect, especially in a gradual or subtle way. Here are the correct spellings for the other options: Hemorrhage instead of hemorhage, Leukemia instead of leuckemia, and Dyscrasia instead of discrasia.
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