Synonyms of the word

foulness

• n. The state of being foul.

aroma

• n. A smell; especially a pleasant spicy or fragrant one.

badness

• n. The quality of being bad.

dark

• adj. Having an absolute or (more often) relative lack of light.
• adj. (of colour) Dull or deeper in hue; not bright or light.
• adj. Hidden, secret, obscure.
• adj. Without moral or spiritual light; sinister, malign.
• adj. Conducive to hopelessness; depressing or bleak.
• adj. Lacking progress in science or the arts; said of a time period.
• adj. With emphasis placed on the unpleasant aspects of life; said of a work of fiction, a work of nonfiction…
• n. A complete or (more often) partial absence of light.
• n. (uncountable) Ignorance.
• n. (uncountable) Nightfall.
• n. A dark shade or dark passage in a painting, engraving, etc.

darkness

• n. (uncountable) The state of being dark; lack of light.
• n. (uncountable) Gloom.
• n. (countable) The product of being dark.
• n. (uncountable) The state or quality of reflecting little light, of tending to a blackish or brownish color.
• n. (uncountable) Evilness, lack of understanding or compassion, reference to death or suffering.

fetidness

• n. The quality of being fetid.

filth

• n. Dirt; foul matter; that which soils or defiles.
• n. Smut; that which sullies or defiles the moral character; corruption; pollution.
• n. (Britain, pejorative, slang, with definite article) The police.
• n. (US, agriculture, dated) Weeds growing on pasture land.

filthiness

• n. the property of being filthy.

iniquity

• n. Deviation from what is right; wickedness, gross injustice.
• n. An unfair act or unconscionable deed.
• n. Hostility, malevolence, lawlessness.
• n. Denial of the sovereignty of God.

malodorousness

• n. The state or condition of being malodorous.

nastiness

• n. (uncountable) Lack of cleanliness.
• n. (uncountable) Dirt, filth.
• n. (uncountable) Indecency; corruption; unkindness, meanness, spite, harshness, cruelty.
• n. (uncountable) Unpleasantness, disagreeableness (to the senses).
• n. (countable) A nasty action, object, quality, etc. (all senses of nasty).

odor

• n. Any smell, whether fragrant or offensive; scent; perfume.
• n. (figuratively) A strong, pervasive quality.
• n. (figuratively, uncountable) Esteem; repute.

odour

• n. Any smell, whether fragrant or offensive; scent; perfume.
• n. (now rare) Something which produces a scent; incense, a perfume.

raininess

• n. The state or condition of being rainy.

rankness

• n. The property of being rank, of having a repulsive odor.

scent

• n. A distinctive odour or smell.
• n. An odour left by an animal that may be used for tracing.
• n. The sense of smell.
• n. A perfume.
• n. (figuratively) Any trail or trace that can be followed to find something or someone.
• n. (obsolete) Sense, perception.
• v. to detect the scent of.
• v. to impart an odour to.
• v. To have a smell.
• v. To hunt animals by means of the sense of smell.

severeness

• n. The property of being severe.

severity

• n. The state of being severe.
• n. The degree of something undesirable; badness or seriousness.

smell

• n. A sensation, pleasant or unpleasant, detected by inhaling air (or, the case of water-breathing animals,…
• n. (physiology) The sense that detects odours.
• v. (transitive) To sense a smell or smells.
• v. (intransitive) To have a particular smell, whether good or bad; if descriptive, followed by "like" or…
• v. (intransitive, without a modifier) To smell bad; to stink.
• v. (intransitive, figuratively) To have a particular tincture or smack of any quality; to savour.
• v. (obsolete) To exercise sagacity.
• v. To detect or perceive; often with out.
• v. (obsolete) To give heed to.

stinkiness

• n. The state or condition of being stinky.

unsanitariness

• n. the state, condition, or practice of being unsanitary.

wickedness

• n. The state of being wicked; evil disposition; immorality.
• n. A wicked or sinful thing or act; morally bad or objectionable behaviour.