The difference between Suffer and Worsen

When used as verbs, suffer means to undergo hardship, whereas worsen means to make worse.

check bellow for the other definitions of Suffer and Worsen

Suffer as a verb (intransitive):

To undergo hardship.
Suffer as a verb (intransitive):

To feel pain.

Examples:

"At least he didn't suffer when he died in the car crash."
Suffer as a verb (intransitive):

To become worse.

Examples:

"If you keep partying like this, your school-work will suffer."
Suffer as a verb (transitive):

To endure, undergo.

Examples:

"I've been suffering your insults for years."

"We hope you never have to suffer the same pain."
Suffer as a verb (transitive, archaic):

To allow.

Worsen as a verb (transitive):

To make worse; to impair.

Examples:

"The global warming has worsened the weather."
Worsen as a verb (intransitive):

To become worse; to get worse.

Examples:

"The weather has worsened."
Worsen as a verb (transitive, obsolete):

To get the better of; to worst.