Bacillophobia - Fear of microbes.
Bacteriophobia - Fear of bacteria.
Bathmophobia - Fear of stairs or steep slopes.
Batophobia - Fear of heights.
Batrachophobia - Fear of amphibians (like frogs)
Belonephobia - Fear of pins and needles.
Bibliophobia - Fear of books.
Botanophobia - Fear of plants.
Brontophobia - Fear of thunder and lightning.

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