pneum-
breath
pod-
foot
poly-
many
post-
after
pre-
before
proct-
rectum
pseudo-
false
psych-
mind
pylor-
gatekeeper
pyr-
fire or fever
rect-
straight
ren-
kidney
retro-
back or behind
rhea-
flow or gush
rupt-
burst
sacchar-
sugar
sarco-
flesh
sat-
enough
-scend
climb
scler-
hard
-sclerosis
hardening
-scope
instrument used for visual examination
-scopy
visual examination
sect-
cut