I found an interesting site a while ago with a list of phobias, there would have to be over 100 of them. Here is just a few. I particularly like the last two.

Amphibians, such a frogs, toads, newts, salamanders, etc - batrachophobia

Mother-in-law - pentheraphobia

Wrinkles (getting) - rhytiphobia

Ageing - gerascophobia

Peanut butter sticking to the roof of the mouth - arachibutyrophobia

Vegetables - lachanophobia

Garlic- alliumphobia

Dirt, germs - mysophobia

Reptiles or creepy, crawly things - herpetophobia

Dirt (on oneself) - automysophobia

Plants - botanophobia

Didaskaleinophobia - fear of going to school.

Hippopotomonstrosesquippedaliophobia - fear of long words.

Phobatrivaphobia - fear of trivia about phobias