The difference between Green and Greenie

Green as an adjective:

Having green as its color.

Green as an adjective (figurative, of people):

Sickly, unwell.

Green as an adjective:

Unripe, said of certain fruits that change color when they ripen.

Green as an adjective (figurative, of people):

Inexperienced.

Green as an adjective (figurative, of people):

Naïve or unaware of obvious facts.

Green as an adjective (figurative, of people):

Overcome with envy.

Green as an adjective (figurative):

Environmentally friendly.

Green as an adjective (cricket):

Describing a pitch which, even if there is no visible grass, still contains a significant amount of moisture.

Green as an adjective (dated):

Of bacon or similar smallgoods: unprocessed, raw, unsmoked; not smoked or spiced.

Green as an adjective (dated):

Not fully roasted; half raw.

Green as an adjective:

Of freshly cut wood or lumber that has not been dried: containing moisture and therefore relatively more flexible or springy.

Green as an adjective (wine):

High or too high in acidity.

Green as an adjective:

Full of life and vigour; fresh and vigorous; new; recent.

Green as an adjective (Philippines):

Having a sexual connotation.

Green as an adjective (particle physics):

Having a color charge of green.

Green as a noun:

The colour of growing foliage, as well as other plant cells containing chlorophyll; the colour between yellow and blue in the visible spectrum; one of the primary additive colour for transmitted light; the colour obtained by subtracting red and blue from white light using cyan and yellow filters.

Green as a noun (politics, sometimes capitalised):

A member of a green party; an environmentalist.

Green as a noun (golf):

A putting green, the part of a golf course near the hole.

Green as a noun (bowls):

The surface upon which bowls is played.

Green as a noun (snooker):

One of the colour balls used in snooker, with a value of 3 points.

Green as a noun (British):

a public patch of land in the middle of a settlement.

Green as a noun:

A grassy plain; a piece of ground covered with verdant herbage.

Green as a noun (mostly, in plural):

Fresh leaves or branches of trees or other plants; wreaths.

Green as a noun:

Any substance or pigment of a green colour.

Green as a noun (British, slang, uncountable):

marijuana.

Green as a noun (US, slang, uncountable):

Money.

Green as a noun (particle physics):

One of the three color charges for quarks.

Green as a verb (transitive):

To make (something) green, to turn (something) green.

Green as a verb:

To become or grow green in colour.

Green as a verb (transitive):

To add greenspaces to (a town, etc.).

Green as a verb (intransitive):

To become environmentally aware.

Green as a verb (transitive):

To make (something) environmentally friendly.

Greenie as a noun (chiefly, Australia, New Zealand, slang, often, derogatory):

An environmentalist; someone who shows concern for the environment.

Greenie as a noun (Australia, by extension):

A member of the Green Party.

Greenie as a noun (US, Wyoming, derogatory, slang):

A person from Colorado; after the color of the Colorado license plate.

Greenie as a noun:

An unripe fruit.

Greenie as a noun (US, slang):

A beginner, a novice.

Greenie as a noun (US, slang):

A small, green object or creature. A tablet of amphetamine.