The word "lungfuls" is often used to describe the amount of air taken in with a deep breath, but there are several synonyms for this word. "Breath" and "inhalation" can also be used to describe the act of taking in air. "Gasp" and "pant" can be used to describe taking short, quick breaths, while "sigh" and "exhale" refer to the release of air from the lungs. "Draw" and "pull" are verbs that can be used with the noun "breath" to emphasize the act of taking in or pulling air into the lungs. Overall, there are many ways to describe the act of breathing and the amount of air taken in with each breath.