inability /in-ə-bilˈi-ti/

1. Lack of sufficient power or means
2. Incapacity

• fall-back
• fall back, fall edge
• fall behind
• fall between two stools
• fall by the wayside
• fall down on
• fallen
• fallen angel
• fallen angels
• fallen arch
• fallen star
• fallen stars
• faller
• fallers
• fallfish
• fallfishes
• fall flat
• fall flat on one's face
• fall for
• fall foul of
• fall from grace
• fall guy
• fall guys
• fall heir to
• fallibilism