Adjective : a malodorous swamp.    From Dictionary.com. 

All: Marvels manifest malodorousness, malodorousness manifests marvels.    From Wordnik.com.  [Archive 2010-04-01] Reference

Unfortunately, these conditions do cause erosion of your teeth and a moderate degree of malodorousness, but it's nothing that a couple of vodka shots won't cover up.    From Wordnik.com.  [Ali A. Rizvi: The Ultimate 9-Step Guide to Looking Good] Reference

The squalor and malodorousness of the town struck me, from the moment I stood upon the street, a facts I had never before observed.    From Wordnik.com.  [Looking Backward: Chapter 28] Reference

The squalor and malodorousness of the town struck me, from the moment I stood upon the street, as facts I had never before observed.    From Wordnik.com.  [Looking Backward 2000-1887] Reference