astraphobia /a-strə-fōˈbi-ə/ or astrapophobia /-strə-pə-fōˈbi-ə/

A morbid fear of (thunder and) lightning

• backsight
• backsights
• back-slang
• back-slapping
• backslash
• backslashes
• backslid
• backslide
• backslider
• backsliders
• backslides
• backsliding
• backslidings
• backspace
• backspaced
• backspace key
• backspace keys
• backspacer
• backspacers
• biogas
• biogases
• biogen
• biogeneses
• biogenesis
• biogenetic