Word Study
rancidity
CIDE DICTIONARY
rancidity, n. [Cf. F. rancidité.].
The quality or state of being rancid; a rancid scent or flavor, as of old oil. Ure. [1913 Webster]
ROGET THESAURUS
rancidity
Fetor
N fetor, bad, smell, bad odor, stench, stink, foul odor, malodor, empyreuma, mustiness, rancidity, foulness, stoat, polecat, skunk, assafoetida, fungus, garlic, stinkpot, fitchet, fitchew, fourmart, peccary, acridity, fetid, strong-smelling, high, bad, strong, fulsome, offensive, noisome, rank, rancid, reasty, tainted, musty, fusty, frouzy, olid, olidous, nidorous, smelling, stinking, putrid, suffocating, mephitic, empyreumatic.For further exploring for "rancidity" in Webster Dictionary Online