sudar
sweat
sudor
sweat (noun)
+
-ar
verb suffix
Sudar means to sweat and can be thought of as sudor0 (sweat0) + -ar1 (verb suffix1).
verb
  1. sweat
    To excrete sweat through the pores of the skin
    Sudo mucho cuando hago ejercicio. // I sweat a lot when I exercise.