Synonyms

Grime is a synonym of whet.

As nouns the difference between grime and whet

is that grime is crumb, bit while whet is the act of whetting something.

As a verb whet is

to hone or rub on with some substance, as a piece of stone, for the purpose of sharpening – see whetstone.

As nouns the difference between bases and principle

is that bases is plural of lang=en while principle is a fundamental assumption.

As verbs the difference between bases and principle

is that bases is third-person singular of base while principle is to equip with principles; to establish, or fix, in certain principles; to impress with any tenet or rule of conduct.

In transitive terms the difference between outlook and promise

is that outlook is to face down; to outstare while promise is to commit to something or action; to make an oath; make a vow.

As verbs the difference between circuit and orbiting

is that circuit is to move in a circle; to go round; to circulate while orbiting is present participle of orbit.

As a noun circuit

is the act of moving or revolving around, or as in a circle or orbit; a revolution; as, the periodical circuit of the earth around the sun.

Massive is a synonym of impressive.

As adjectives the difference between massive and impressive

is that massive is while impressive is making, or tending to make, an impression; having power to impress; adapted to excite attention and feeling, to touch the sensibilities, or affect the conscience; as, an impressive discourse; an impressive scene.

As adjectives the difference between clannish and insular

is that clannish is of or related to a clan while insular is of, pertaining to, being, or resembling an island or islands.

As a noun insular is

an islander.

Bulk is a synonym of massiveness.

As nouns the difference between bulk and massiveness

is that bulk is size, mass or volume while massiveness is the property of being massive.

As an adjective bulk

is being large in size, mass or volume (of goods, etc).

As a verb bulk

is to appear or seem to be, as to bulk or extent.

Exuberance is a synonym of energy.

As nouns the difference between exuberance and energy

is that exuberance is exuberance while energy is the impetus behind all motion and all activity.

As adjectives the difference between penetrating and acrid

is that penetrating is able to pierce or penetrate while acrid is sharp and harsh, or bitter and not to the taste; pungent.

As a verb penetrating

is present participle of lang=en.

Rain is a synonym of rainstorm.

As nouns the difference between rain and rainstorm

is that rain is while rainstorm is a storm characterized by substantial, heavy rainfall.