The difference between Dazzle and Gleam

When used as nouns, dazzle means a light of dazzling brilliancy, whereas gleam means a small or indistinct shaft or stream of light.

When used as verbs, dazzle means to confuse the sight of by means of excessive brightness, whereas gleam means to shine.

check bellow for the other definitions of Dazzle and Gleam

Dazzle as a verb (transitive):

To confuse the sight of by means of excessive brightness.

Examples:

"'Dazzled by the headlights of the lorry, the deer stopped in the middle of the street."
Dazzle as a verb (transitive, figuratively):

To render incapable of thinking clearly; to overwhelm with showiness or brilliance.

Examples:

"synonyms: impress overpower"

"The delegates were dazzled by the originality of his arguments."
Dazzle as a verb (intransitive):

To be overpowered by light; to be confused by excess of brightness.

Dazzle as a noun:

A light of dazzling brilliancy.
Dazzle as a noun (figurative):

Showy brilliance that may stop a person from thinking clearly.
Dazzle as a noun (uncommon):

A herd of zebra.

Gleam as a noun:

a small or indistinct shaft or stream of light.
Gleam as a noun:

a glimpse or hint; an indistinct sign of something.

Examples:

"The rescue workers preserved a gleam of optimism that they might still survive."
Gleam as a noun:

brightness or shininess; splendor.