The difference between Decorative and Fancy

When used as nouns, decorative means a plant, tile, etc. intended for use as decoration, whereas fancy means the imagination.

When used as adjectives, decorative means that serves to decorate, whereas fancy means decorative.

Fancy is also adverb with the meaning: in a fancy manner.

Fancy is also verb with the meaning: to appreciate without jealousy or greed.

check bellow for the other definitions of Decorative and Fancy

Decorative as a noun:

A plant, tile, etc. intended for use as decoration.

Fancy as a noun:

The imagination.
Fancy as a noun:

An image or representation of anything formed in the mind; conception; thought; idea.
Fancy as a noun:

An opinion or notion formed without much reflection; an impression.
Fancy as a noun:

A whim.

Examples:

"I had a fancy to learn to play the flute."
Fancy as a noun:

Love or amorous attachment.

Examples:

"He took a fancy to her."
Fancy as a noun:

The object of inclination or liking.
Fancy as a noun:

Any sport or hobby pursued by a group.

Examples:

"Trainspotting is the fancy of a special lot."

"the cat fancy"
Fancy as a noun:

The enthusiasts of such a pursuit.

Examples:

"He fell out of favor with the boxing fancy after the incident."
Fancy as a noun:

A diamond with a distinctive colour.
Fancy as a noun:

That which pleases or entertains the taste or caprice without much use or value.
Fancy as a noun (obsolete):

A sort of love song or light impromptu ballad.
Fancy as a noun:

In the game of jacks, a style of play involving additional actions (contrasted with plainsies).

Fancy as an adjective:

Decorative.

Examples:

"This is a fancy shawl."
Fancy as an adjective:

Of a superior grade.

Examples:

"This box contains bottles of the fancy grade of jelly."
Fancy as an adjective:

Executed with skill.

Examples:

"He initiated the game winning play with a fancy, deked saucer pass to the winger."
Fancy as an adjective (colloquial):

Unnecessarily complicated.

Examples:

"I'm not keen on him and his fancy ideas."
Fancy as an adjective (obsolete):

Extravagant; above real value.

Fancy as a verb (formal):

To appreciate without jealousy or greed.

Examples:

"I fancy your new car, but I like my old one just fine."
Fancy as a verb (British):

would like

Examples:

"I fancy a [[burger]] tonight for [[dinner]]"

"Do you fancy going to town this [[weekend]]?"
Fancy as a verb (British, informal):

To be sexually attracted to.

Examples:

"I fancy that girl over there."
Fancy as a verb (dated):

To imagine, suppose.

Examples:

"I fancy you'll want something to drink after your long journey."

"Fancy meeting you here!"

"Fancy that! I saw Elizabeth Bennett and Mr. Darcy kissing in the garden."
Fancy as a verb:

To form a conception of; to portray in the mind; to imagine.
Fancy as a verb:

To have a fancy for; to like; to be pleased with, particularly on account of external appearance or manners.