spiro-, spir-, spira-, spirat-, -spire, -spiring, -spiration, -spirational (breath)
(Latin: breath of life, breath, breathing; mind; spirit, "soul"; courage)
Don't confuse this spiro-, with another spiro- meaning "coil, twisted".
spirometer
spirometrics
sprightliness
sprightly
sprite
suspiration
suspire
suspire
transpirable
transpiration
transpiratory
transpire
