putrefy

verbs

become putrid; decay with an offensive smell
"organic matter putrefies"
putrefy
is derived from
putrefactive
is derived from
putrefacient
is derived from
putrefaction
is derived from
putrefaction
entails
emit an odor
"The soup smells good"
smell
is a type of (narrower)
undergo decay or decomposition
"The body started to decay and needed to be cremated"
decay