Pulmonarian :: Pulmonarian (n.) Any arachnid that breathes by lunglike organs, as the spiders and scorpions. Also used adjectively..
Pulmonary :: Pulmonary (a.) Of or pertaining to the lungs; affecting the lungs; pulmonic.
Subpulmonary :: Subpubic (a.) Situated under, or posterior to, the pubic bones..