Spellbound (2011)

both deal with ghost, however this is about a detective and a woman who does anything in her power to not see any ghosts

To start of with they are both South Korean movies and are movies that are mixed with horror and romance.

Both FLs are largely reclusive due to being able to see and living with ghosts.
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Both are horror/romance with a haunted FL.
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Both female heroines can see ghosts
Although Spellbound is more on the lighthearted rom-com, both drama and movie are worth watching

both of them have a female lead that can see the dead.

Both have a lead character (ML vs. FL) who has the ability to see ghosts.
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Both FLs have the ability to see ghosts and this power causes them to become involved with the ML.
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Both are about a FL who can see, lives with, and is haunted by ghosts. Both FLs are colder/distant personalities, while the MLs are warmer personalities.