* In-: This prefix generally means "not" or "the opposite of." It can be used to create words like "infortunate" or "inopportune," which both suggest bad luck.
* Un-: This prefix also means "not" or "the opposite of" and can be used in similar ways as "in-." It can be used to create words like "unlucky" itself or "unfortunate."
* Mis-: This prefix means "wrong," "bad," or "incorrectly." It can be used to create words like "misfortune" or "mishap," which both refer to events that are unlucky.
* Dis-: This prefix generally means "opposite of" or "lack of." It can be used to create words like "disastrous" or "disgraced," which can be seen as outcomes of bad luck.
It's important to note that these prefixes can be used to create a wide range of words, and the specific meaning will depend on the context.