The difference between Fairy and Poof

When used as nouns, fairy means the realm of faerie, whereas poof means a male homosexual, especially one who is effeminate.

Fairy is also adjective with the meaning: like a fairy.

Poof is also interjection with the meaning: onomatopoeia indicating a cloud of smoke or wind.

Poof is also verb with the meaning: to vanish or disappear.

check bellow for the other definitions of Fairy and Poof

Fairy as a noun (uncountable, obsolete):

The realm of faerie; enchantment, illusion.
Fairy as a noun:

A mythical being with magical powers, known in many sizes and descriptions, although often depicted in modern illustrations only as a small sprite with gauze-like wings, and revered in some modern forms of paganism.
Fairy as a noun:

An enchantress, or creature of overpowering charm.
Fairy as a noun (Northern England, US, derogatory, colloquial):

A male homosexual, especially one who is effeminate.
Fairy as a noun:

A member of two species of hummingbird in the genus Heliothryx.

Poof as a noun (UK, Australia, NZ, derogatory, colloquial):

A male homosexual, especially one who is effeminate.
Poof as a noun:

The product of flatulence, or the sound of breaking wind.

Poof as a verb:

To vanish or disappear.

Examples:

"He poofed into thin air."
Poof as a verb:

To break wind; to fart.