The difference between Stench and Stink

When used as nouns, stench means a strong foul smell, a stink, whereas stink means a strong bad smell.

When used as verbs, stench means to cause to emit a disagreeable odour, whereas stink means to have a strong bad smell.

Stink is also adjective with the meaning: bad-smelling, stinky.

check bellow for the other definitions of Stench and Stink

Stench as a noun:

a strong foul smell, a stink
Stench as a noun (figurative):

a foul quality

Examples:

"the stench of political corruption"
Stench as a noun (obsolete):

A smell or odour, not necessarily bad.

Stench as a verb (obsolete):

To cause to emit a disagreeable odour; to cause to stink.

Examples:

"rfquotek Young"
Stench as a verb:

To stanch.

Examples:

"rfquotek Harvey"

Stink as a verb (intransitive):

To have a strong bad smell.
Stink as a verb (intransitive, informal):

To be greatly inferior; to perform badly.

Examples:

"That movie stinks. I didn't even stay for the end."
Stink as a verb (intransitive):

To give an impression of dishonesty or untruth.

Examples:

"Something stinks about the politician's excuses."
Stink as a verb (transitive):

To cause to stink; to affect by a stink.

Stink as a noun:

A strong bad smell.
Stink as a noun (informal):

A complaint or objection.

Examples:

"If you don't make a stink about the problem, nothing will be done."
Stink as a noun (slang, New Zealand):

A failure or unfortunate event.

Examples:

"The concert was stink."