irrespirable /ir-esˈpi-rə-bl or -i-spīˈ/

Unfit for respiration

• perswaded
• perswades
• perswading
• pert
• PERT
• pertain
• pertained
• pertaining
• pertains
• pertake
• perter
• pertest
• perthite
• perthites
• perthitic
• pertinacious
• pertinaciously
• pertinaciousness
• pertinacities
• pertinacity
• pertinence
• pertinences
• pertinencies
• pertinency
• pertinent