"Suprabasilar" Natural Recordings by Native Speakers
Out of or located below the level of the superior border of the epiglottis.
Or
Situated just below the superior opening of the larynx (voice box).
In other words, suprapyramidal refers to something located just below the top or superior edge of the pyramid-shaped epiglottis.
Suppurative refers to the formation or production of pus, a thick, yellowish fluid composed of dead white blood cells, bacteria, cellular debris, and other matter that forms in a middle layer of tissue during an immune response to infection.
Supracervical means located or occurring above the cervix, the lower part of the uterus in the female reproductive system.