I included both the noun breath and the verb breathe in this entry. Breath is the older word and is related to scent and vapor and heat. Hmm.

• 1.034 he managed to say after taking a deep breath.
• 1.090 He paused for breath
• 1.092 until he was out of breath,
• 2.071 and he had no breath
• 5.046 Alive without breath,
• 5.107 recover his breath,
• 5.128 Bilbo almost stopped breathing,
• 6.046 that he could hear the dwarves’ breathing
• 7.106 to judge by their breathing;
• 8.037 There was a breath of air
• 8.107 and round with only his nose to breathe through.
• 8.107 Some had hardly been able to breathe at all
• 8.124 and draw breath.
• 12.015 To say that Bilbo’s breath was taken away
• 12.020 There was a breath of strange air
• 12.029 His hot breath shrivelled the grass before the door,
• 12.045 I hear your breath.
• 12.072 and my breath death!’
• 13.009 or hardly even to breathe.
• 13.019 and he caught his breath.
• 14.013 and their shafts fell back kindled by his breath burning
• 15.027 and they still had a breathing space.