Appendix:English Siamese twins

Here are various common English collocations sometimes called Siamese twins. See also Category:English lexical doublets and hendiadys and hendiatris.

Conjunction
The most common conjunctions used in a phrase that constitutes Siamese twins are and or or.

Adjectives

 * alive and kicking
 * black and blue
 * black and white
 * clean and tidy
 * cute and cuddly
 * drawn and quartered
 * hale and hearty
 * hard and fast
 * high and dry
 * high and mighty
 * home and dry
 * hot and cold
 * loud and clear
 * old and new
 * pure and simple
 * rough and tumble
 * said and done
 * sick and tired
 * thick and thin
 * warm and fuzzy

Adverbs

 * by and large
 * far and wide
 * fast and loose
 * here and there
 * in and out
 * off and away
 * once and for all
 * to and fro
 * up and about
 * up and down
 * yes and no

Nouns

 * airs and graces
 * arm and a leg/an arm and a leg
 * apples and oranges
 * bells and whistles
 * bit and bridle
 * bits and bobs
 * blood and guts
 * bow and arrow
 * boys and girls
 * bread and butter
 * cap and gown
 * cat and mouse
 * cats and dogs
 * fingers and thumbs
 * fish and chips
 * flesh and blood
 * hammer and sickle
 * hammer and tongs
 * heaven and hell
 * intents and purposes
 * king and queen
 * knife and fork
 * ladies and gentlemen
 * law and order
 * man and boy
 * man and wife
 * meat and potatoes
 * milk and honey
 * mum and dad
 * nook and cranny
 * nuts and bolts
 * odds and ends
 * Ps and Qs
 * peace and quiet
 * peanut butter and jelly
 * peas and carrots
 * pestle and mortar/mortar and pestle
 * pros and cons
 * shits and giggles
 * signs and symptoms
 * skin and bone
 * song and dance
 * spick and span
 * spit and polish
 * supply and demand
 * sweetness and light
 * tea and crumpets
 * thunder and lightning
 * tooth and nail
 * trial and error
 * vim and vigor
 * ways and means
 * wine and roses

Verbs

 * crash and burn
 * make and mend/make do and mend
 * meet and greet
 * read and write
 * stop and go
 * touch and go

Adjectives

 * more or less

Adverbs

 * sooner or later
 * yes or no
 * neither here nor there*

Determiners

 * all or nothing

Nouns

 * day or night
 * neither fish nor fowl*
 * come hell or high water/hell or high water
 * neither hide nor hair*
 * neither love nor money*/love or money
 * rain or shine
 * fight or flight

Verbs

 * do or die
 * kill or cure
 * make or break
 * sink or swim

Predicates

 * take it or leave it

Other

 * no ifs, ands, or buts
 * 'one way or another

Structure
The structure of any Siamese twins phrase has words that are related in some way or the other. The words comprising a Siamese twins phrase may be synonyms, antonyms, include alliterations or similar-sounding words. Other varieties of Siamese twins may also be possible.

Examples below are split into various tables; some may belong in more than one table but are listed only once.

With antonyms

 * back and forth
 * beginning to end
 * better or worse
 * black and white
 * chicken and egg
 * cops and robbers
 * coming and going
 * Cowboys and Indians
 * dawn till dusk
 * dead or alive
 * floor to ceiling
 * food and drink
 * give and take
 * give or take
 * heads or tails
 * hide and seek
 * high and low
 * hit or miss
 *  hither and thither
 * in and out
 * life or death
 * long and short
 * near and far
 * now and then
 * pros and cons
 * rank and file
 * start to finish
 * sweet and sour
 * to and fro
 * top to bottom
 * up and down
 * victory and defeat
 * war and peace
 * wax and wane
 * yes and no

With synonyms

 * by hook or by crook
 * cease and desist
 * cheek by jowl
 * first and foremost
 * heart and soul
 * leaps and bounds
 * neat and tidy
 * six of one, half a dozen of the other
 * nook and cranny
 * null and void
 * peace and quiet
 * pick and choose
 * prim and proper
 * rant and rave
 * strait and narrow

With alliteration

 * bag and baggage
 * belt and braces
 * the birds and the bees
 * black and blue
 * bread and butter
 * cash and carry
 * chalk and cheese
 * fast and furious
 * fun and frolics
 * fur and feathers
 * hearth and home
 * hem and haw
 * kith and kin
 * Lend-Lease
 * part and parcel
 * pillar to post
 * rest and recreation (a.k.a. R'n'R)
 * rock and roll
 * rough and ready
 * safe and sound
 * sixes and sevens
 * spick and span
 * stars and stripes
 * sugar and spice
 * top and tail

With similar-sounding words

 * box and cox
 * chalk and talk
 * flotsam and jetsam
 * handy-dandy
 * hither and thither
 * hoi polloi
 * huff and puff
 * hustle and bustle
 * meet and greet
 * namby-pamby
 * pell mell
 * odds and sods
 * onwards and upwards
 * out and about
 * shout and clout
 * silly billy
 * time and tide
 * wear and tear
 * willy-nilly
 * wine and dine

With repetition

 * again and again
 * all in all
 * around and around
 * back to back
 * bumper to bumper
 * cheek to cheek
 * (on the) up and up
 * elbow to elbow
 * arm in arm
 * eye to eye
 * face to face
 * hand in hand
 * hand to hand
 * head to head
 * heart to heart
 * little by little
 * man to man
 * more and more
 * mouth to mouth
 * neck and neck
 * on and on
 * out and out
 * over and over
 * side by side
 * side to side
 * so and so
 * step by step
 * strength to strength
 * such and such
 * through and through
 * time after time
 * (from) time to time
 * toe to toe
 * wall to wall
 * wire to wire
 * woman to woman

Rhyming slang

 * Adam and Eve
 * apples and pears
 * bottle and glass
 * Brahms and Liszt
 * dog and bone
 * frog and toad
 * hand and blister
 * north and south
 * rabbit and pork
 * tit for tat
 * trouble and strife
 * two and eight
 * whistle and flute

Variants
Siamese twins occurring as a pair (that is, having two words occurring together) are also known as binomials. If the variant has three words occurring together, it is also known as a trinomial.

Examples of trinomials

 * blood, sweat and tears
 * cool, calm and collected
 * ear, nose and throat (E.N.T.)
 * here, there and everywhere
 * hither, thither and yon
 * hook, line and sinker
 * hop, skip and jump
 * judge, jury and executioner
 * lock, stock and barrel
 * mad, bad and dangerous
 * nasty, brutish and short
 * ready, willing and able
 * red, white and blue
 * sex, drugs and rock 'n' roll
 * tall, dark and handsome
 * the good, the bad and the ugly
 * Tom, Dick and Harry
 * shake, rattle and roll
 * stop, drop and roll
 * this, that, and the other
 * way, shape, or form