Synonyms for Foetid (same or very similar meaning)
WordNet sense 1 (offensively malodorous):
fetid, foul, funky, noisome, smelly, stinking, foul-smelling, ill-scentedWordNet sense 2 (having an unpleasant smell):
malodorous, stinky, malodourous, ill-smelling, unpeasant-smellingFrom the ODE community, based on WordNetadd/edit