Using same word twice (Please Read)

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Hi, I have an online thrift store, so there are a lot of items to be posted. When I use filters, I have to put the color "Pink" but when i get a piece of clothing from the brand "PINK" , it doesn't decifer the 2, so it just puts it as 1 word, so when I post a pink colored shirt that's from the brand "PINK" , It only allows 1 pink in the filters, so 1 gets left out,  hopefully this isn't too confusing