Breathophobia 

The fear of having bad breath.

She is always eating a mint or chewing gum, I think she has breathophobia.

Breathophobia by Jamal K. Anderson February 11, 2009

bathophobia 

bathophobia = not fear of baths. it's a fear of depth.

no! i'm not going into the deep end! i'm going to drown...&die...i have bathophobia!

bathophobia by her lush escape May 30, 2006

Breathenphobia 

The irrational fear of breathing.

Guy: hey i have breathenphobia.
jonny: but youre breathing right now
Guy: *breathes* OMG I BREATHED I NEED TO STOP BREATHING IM SCARED AND THERE'S SOMETHING WARM IN MY PANTS *dies of asphyxiation*

Breathenphobia by TheRealMilkAndCerealYT June 7, 2022