1. That may be breathed.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• breatable,
• breatheable,
• breackable,
• breathble,
• vreathable,
• nreathable,
• hreathable,
• greathable,
• beeathable,
• bdeathable,
• bfeathable,
• bteathable,
• b5eathable,
• b4eathable,
• brwathable,
• breeathable,
• brethable,
• breathabel,
• Breethable,
• Breathible

• breakable,
• bramble.

The adjective form of the word "breathable" is "breathable". It remains the same in its adjective form.

The plural form of the word "breathable" is "breathables".

The singular form of the word "Breathable" is "Breathability".