back

As nouns the difference between back and vendor

is that back is a small stream or brook while vendor is a person or a company that vends or sells.

As nouns the difference between back and revert

is that back is a small stream or brook while revert is one who, or that which, reverts.

As a verb revert is

(now rare) to turn back, or turn to the contrary; to reverse.

As a noun back

is a small stream or brook.

As a verb up is

to upturn, to turn over.

As nouns the difference between back and red

is that back is a small stream or brook while red is (reverse electrodialysis).

As nouns the difference between turn and back

is that turn is a change of direction or orientation while back is a small stream or brook.

As a verb turn

is (lb) non-linear physical movement .

As nouns the difference between dollar and back

is that dollar is dollar while back is a small stream or brook.

Back is a related term of favor.

As nouns the difference between back and favor

is that back is a small stream or brook while favor is a kind or helpful deed; an instance of voluntarily assisting (someone).

As a verb favor is

(transitive)  to look upon fondly; to prefer.

In obsolete terms the difference between back and rare

is that back is that part of the body that bears clothing while rare is early.

As adjectives the difference between back and rare

is that back is near the rear while rare is cooked very lightly, so the meat is still red (in the case of steak or beef in the general sense).

As verbs the difference between back and rare

is that back is to go in the reverse direction while rare is to rear, rise up, start backwards.

As an adverb back

is to or in a previous condition or place.

As a noun back

is the rear of the body, especially the part between the neck and the end of the spine and opposite the chest and belly.

As a noun back

is a small stream or brook.

As an adverb ahead is

in or to the front; in advance; onward.

As verbs the difference between maintain and back

is that maintain is to support (someone), to back up or assist (someone) in an action while back is to go in the reverse direction.

As an adjective back is

near the rear.

As an adverb back is

to or in a previous condition or place.

As a noun back is

the rear of the body, especially the part between the neck and the end of the spine and opposite the chest and belly.