1. Hippopotomonstrosesquippedaliophobia – Fear of long words.
2. Pupaphobia – Fear of puppets.
3. Xanthophobia – Fear of the color yellow.
4. Chaetophobia – Fear of hair.
5. Vestiphobia – Fear of clothing.
6. Ergophobia – Fear of work.
7. Eisoptrophobia – Fear of mirrors.
8. Gerascophobia  – Fear of getting older.
9. Gerrymandering – Dividing a group into different political groups to give one side an advantage.
10. Aa – Rough, jagged masses formed from basaltic lava.
11. Vex – To make someone feel irritated or frustrated.
12. Bequeath – To leave property to someone.
13. Mixology – Mixing drinks or bartending.
14. Flub – To blotch or bungle something.
15. Kerfuffle – A commotion or fuss.

Cites:

https://www.verywellmind.com/what-are-the-rarest-phobias-5649656

https://www.ef.com/wwen/blog/language/12-weirdest-words-in-english/

https://mathcracker.com/word-cloud-generator