bum

As nouns the difference between buttock and bum

is that buttock is (usually|in the plural) each of the two large fleshy halves of the posterior part of the body between the base of the back, the perineum and the top of the legs while bum is the buttocks or bum can be (north america|colloquial) a hobo; a homeless person, usually a man or bum can be (dated) a humming noise or bum can be (obsolete) a bumbailiff.

As a verb bum is

(uk|transitive|colloquial) to sodomize; to engage in anal sex or bum can be (colloquial) to ask someone to give one (something) for free; to beg for something or bum can be to depress; to make unhappy or bum can be to make a murmuring or humming sound.

As an interjection bum is

(label) an expression of annoyance.

As an adjective bum is

of poor quality or highly undesirable .

In lang=en terms the difference between sponge and bum

is that sponge is to be converted, as dough, into a light, spongy mass by the agency of yeast or leaven while bum is to make a murmuring or humming sound.

As nouns the difference between sponge and bum

is that sponge is (countable) any of various marine invertebrates, mostly of the phylum porifera , that have a porous skeleton often of silica while bum is the buttocks or bum can be (north america|colloquial) a hobo; a homeless person, usually a man or bum can be (dated) a humming noise or bum can be (obsolete) a bumbailiff.

As verbs the difference between sponge and bum

is that sponge is (slang) to take advantage of the kindness of others while bum is (uk|transitive|colloquial) to sodomize; to engage in anal sex or bum can be (colloquial) to ask someone to give one (something) for free; to beg for something or bum can be to depress; to make unhappy or bum can be to make a murmuring or humming sound.

As an interjection bum is

(label) an expression of annoyance.

As an adjective bum is

of poor quality or highly undesirable .

As adjectives the difference between bum and undefined

is that bum is of poor quality or highly undesirable while undefined is lacking a definition or value.

As a noun bum

is the buttocks or bum can be (north america|colloquial) a hobo; a homeless person, usually a man or bum can be (dated) a humming noise or bum can be (obsolete) a bumbailiff.

As a verb bum

is (uk|transitive|colloquial) to sodomize; to engage in anal sex or bum can be (colloquial) to ask someone to give one (something) for free; to beg for something or bum can be to depress; to make unhappy or bum can be to make a murmuring or humming sound.

As an interjection bum

is (label) an expression of annoyance.

As nouns the difference between bum and bums

is that bum is the buttocks or bum can be (north america|colloquial) a hobo; a homeless person, usually a man or bum can be (dated) a humming noise or bum can be (obsolete) a bumbailiff while bums is .

As a verb bum

is (uk|transitive|colloquial) to sodomize; to engage in anal sex or bum can be (colloquial) to ask someone to give one (something) for free; to beg for something or bum can be to depress; to make unhappy or bum can be to make a murmuring or humming sound.

As an interjection bum

is (label) an expression of annoyance.

As an adjective bum

is of poor quality or highly undesirable .

As nouns the difference between pauper and bum

is that pauper is one who is extremely poor while bum is the buttocks.

As a verb bum is

to sodomize; to engage in anal sex.

As an interjection bum is

an expression of annoyance.

As an adjective bum is

of poor quality or highly undesirable.

In obsolete terms the difference between back and bum

is that back is that part of the body that bears clothing while bum is a bumbailiff.

In intransitive terms the difference between back and bum

is that back is to go in the reverse direction while bum is to make a murmuring or humming sound.

As an adverb back

is to or in a previous condition or place.

As an interjection bum is

an expression of annoyance.

As nouns the difference between brain and bum

is that brain is the control center of the central nervous system of an animal located in the skull which is responsible for perception, cognition, attention, memory, emotion, and action while bum is the buttocks.

As verbs the difference between brain and bum

is that brain is to dash out the brains of; to kill by smashing the skull while bum is to sodomize; to engage in anal sex.

As an interjection bum is

an expression of annoyance.

As an adjective bum is

of poor quality or highly undesirable.

As nouns the difference between crumb and bum

is that crumb is a small piece which breaks off from baked food (such as cake, biscuit or bread) while bum is the buttocks.

As verbs the difference between crumb and bum

is that crumb is to cover with crumbs while bum is to sodomize; to engage in anal sex.

As an interjection bum is

an expression of annoyance.

As an adjective bum is

of poor quality or highly undesirable.

In intransitive terms the difference between bum and chicken

is that bum is to make a murmuring or humming sound while chicken is to develop physical or other characteristics resembling a chicken's, for example, bumps on the skin.

As nouns the difference between bum and chicken

is that bum is the buttocks while chicken is a domestic fowl, Gallus gallus, especially when young.

As verbs the difference between bum and chicken

is that bum is to sodomize; to engage in anal sex while chicken is to avoid as a result of fear.

As adjectives the difference between bum and chicken

is that bum is of poor quality or highly undesirable while chicken is cowardly.

As an interjection bum

is an expression of annoyance.

As a proper noun Chicken is

a CDP in Alaska.

In intransitive terms the difference between run and bum

is that run is of stitches or stitched clothing, to unravel while bum is to make a murmuring or humming sound.

In lang=en terms the difference between run and bum

is that run is a rapid passage in music, especially along a scale while bum is a humming noise.

As verbs the difference between run and bum

is that run is To move swiftly.bum is to sodomize; to engage in anal sex.

As nouns the difference between run and bum

is that run is act or instance of running, of moving rapidly using the feet while bum is the buttocks.

As adjectives the difference between run and bum

is that run is in a liquid state; melted or molten while bum is of poor quality or highly undesirable.

As an interjection bum is

an expression of annoyance.