Here are some examples of words derived from this root:
* Spirometer: an instrument used to measure lung capacity
* Respiration: the process of breathing
* Aspirate: to breathe in
* Inspire: to fill with the breath of life, to motivate
* Expire: to breathe out, to die
* Conspire: to breathe together, to plot
* Spirit: the breath of life, the soul
* Spiritual: relating to the spirit or soul
Let me know if you have any other questions!