LOTR ships
I had previously done ratings for Hobbit ships too, so I'm doing ships from LOTR too. Now, all these are from my perspective, so don't feel offended. Also, I might dislike a ship but I don't hold anything against the shipper.
1) Gigolas (Gimli X Legolas): 4/10
Honestly, they have the most unique and beautiful friendship that could ever exist between two races that hate the other so much. That doesn't have to be romantic. I don't dislike it, it's just the fact that I don't see them in a romantic relationship.
2) Arolas/Legorn (Aragorn X Legolas): 2/10
This again is an friendship that goes very deep. There is a very good bromance that exists between them. Romantically they wouldn't work at all. They won't click together.
3) Legwen ( Legolas X Arwen ): 5/10
Canonically, Arwen loved Aragorn very deeply. But if we see through personalities, they would be in the same wavelength. But I believe they would hardly cooperate. It would be a critical platonic relationship.
4) Baggee (Frodo X Sam): 7/10
This too is a friendship but the way Tolkien expressed their relationship, it would hint that Sam was romantically attracted to Frodo. Also, they would go together very well.
5) Haldolas/ Legir (Haldir X Legolas): 9/10
Legolas would probably be younger than Haldir, but they would go together well. Their personalities would be a little different, which would cooperate very well. Also they would have a friendly romance, which would be pretty cute.
6) Arawyn (Aragorn X Eowyn): 6/10
If canonically Aragorn hadn't loved Arwen and instead loved Eowyn, I believe they would have a just as wonderful relationship. But since they didn't work out, friendship is better.
7) Erefindel(?)/ Glorestor (Glorfindel X Erestor): 10/10
How do I explain this? Courageous, flashy elves who could rule the world together, apart from the fact that they wouldn't. Their personalities are like jigsaw puzzles which complete each other. Hence, it'd be a cool relationship.
8) Celebduil (Celeborn X Thranduil): 6/10
Maybe it would work out. Both have a kind of same family descendance and could hence understand and trust each other. They would have a silent but deep and understanding relationship.
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These are all I know and found on Tumblr, Pinterest and Deviant art. Feel free to add your own thoughts, or tell me if I missed a ship.