- One of a group of streakers
- one of a group of substances that are essential in the diet
- one of a group of very small RNA viruses, including Cocksackle virus
- One of a group standing in an alley
- One of a haiku's three
- One of a half pint's 16: Abbr.
- One of a half-trillion sold since 1912
- One of a hand truck's pair
- One of a Hawthorne title septet
- One of a hexagon's six
- One of a Hindu trinity
- One of a historic maritime trio
- One of a historical trio
- One of a hitched pair
- One of a Hollywood crowd?
- One of a holy 12
- One of a horse rider's pair
- One of a horse's limbs
- One of a hotel room pair
- One of a Howard trio
- One of a human dozen
- One of a human quartet
- One of a human's 24
- One of a hundred for Christopher Robin
- One of a hundred in a googol
- One of a hundred in Scrabble
- One of a hundred in the Senate
- One of a jazz duo?
- One of a John Williams quintet
- One of a joule's 10,000,000
- One of a jungle couple
- One of a Katharine Hepburn quartet
- One of a ketch's two
- One of a keyboard quartet
- One of a keyboard's four
- One of a kind
- One of a kind?
- One of a kissing pair
- One of a kitchen set
- One of a kiwi's vestigial pair
- One of a knight's arms
- One of a La Brea group
- One of a lake quintet
- One of a lamb's parents ...
- One of a large, obedient group
- One of a later generation
- One of a Latin trio
- One of a Latin Trio Alphabetic
- One of a league's 4.8: Abbr.
- One of a legendary comedy team
- One of a library pair
- One of a lifeboat pair
- one of a limited class of noun modifiers that determine the referents of noun phrases
- One of a line segment pair
- One of a Liszt dozen
- One of a literary trio
- one of a litter
- One of a lot of workers?
- One of a lot on a lot
- One of a love trio
- One of a loving trio?
- One of a Luxembourg dozen
- One of a Macedonian minority
- One of a magnet's two
- One of a making-out couple
- One of a matched Pair
- One of a matched pair, maybe
- One of a matched set
- One of a matching pair
- One of a matching set
- One of a migrating herd
- One of a Mississippi quartet
- One of a MLB quartet
- One of a model's repertoire
- One of a modern TV family
- One of a Monopoly dozen
- One of a Monopoly foursome
- One of a Monopoly pair
- one of a mountain-dwelling people of Southern Vietnam on the Cambodian border
- One of a mouthy 12
- One of a movie's many
- One of a moviedom mass
- One of a multiple birth
- One of a multitude in a devil's-snuffbox
- One of a mythical nine
- One of a mythological ennead
- One of a mythological nonet
- One of a nautical trio
- One of a Navy elite
- One of a New Testament 12
- One of a New Testament twelve
- One of a nomadic Berber people
- One of a notable quintet
- One of a noted dozen
- One of a noted geographical quintet
- One of a noted lithographic pair
- One of a noted lithographing pair
- One of a noted quintet
- One of a noted sister act
- one of a number of closely spaced supports for a railing
- One of a number of printings of a book
- One of a number of similar things
- one of a number of spiritual practices which lead to perfection
- one of a number of things from which only one can be chosen
- One of a number of things taken to the cellar
- one of a number of wandering scholars
- One of a numbered pair
- One of a nursery rhyme couple
- One of a nursery rhyme triad
- One of a nursery rhyme trio
- One of a one-two
- One of a one-two, sometimes
- One of a pack of 20, for short
- One of a pack, perhaps
- One of a pack?
- ONE of a pair
- One of a pair a gardener might wear
- One of a pair at a dinner table
- One of a pair by Debussy
- One of a pair for a clown
- One of a pair for warming the side of the head
- One of a pair in "Popeye"
- One of a pair in "Waiting for Godot"
- One of a pair in a fast-food logo
- One of a pair in an ellipse
- One of a pair of a carnival entertainer
- One of a pair of best friends in Greek legend
- One of a pair of biblical brothers
- one of a pair of bony growths
- One of a pair of cartoon slackers
- One of a pair of conjunctions
- One of a pair of cords
- one of a pair of coverings of the forewings of certain insects
- One of a pair of dancers
- One of a pair of drums
- one of a pair of dry membranous bracts in grasses
- One of a pair of fairy tale brothers
- One of a pair of famous twins
- One of a pair of fictional roommates
- One of a pair of fraternal twins, maybe
- one of a pair of garments resembling stockings without feet
- One of a pair of genes
- One of a pair of gloves, to the other
- One of a pair of grillers
- one of a pair of Indian drums played with the hands
- One of a pair of interlocking symbols
- One of a pair of interrogators
- One of a pair of items often given at a baby shower
- One of a pair of Mad adversaries
- One of a pair of map coordinates: Abbr.
- One of a pair of mice in "Cinderella"
- one of a pair of mobile appendages on the head of e.g. insects and crustaceans
- one of a pair of modified hind wings in dipterous insects
- One of a pair of Monopoly properties
- One of a pair of Old Testament books with female names
- One of a pair of sci-fi twins
- One of a pair of Skechers
- one of a pair of slender sticks used as oriental tableware to eat food with
- one of a pair of small appendages of the lingua or labium of certain insects
- one of a pair of supports for holding books upright
- One of a pair of towel markings
- One of a pair of vanity plates
- one of a pair of walking poles designed to reduce stress on the knees
- One of a pair on a buck
- One of a pair on a car
- One of a pair on a caribou
- One of a pair on a rack
- One of a pair on the table
- One of a pair that clicks
- One of a pair that often goes missing
- One of a panel of peers
- one of a particular chemical group
- One of a pentagon's five
- One of a people conquered in 1533
- One of a peppery trio?
- One of a percussion pair
- One of a percussive pair
- One of a personal trio
- One of a Phil Mahre pair
- One of a piano trio
- One of a pie-throwing trio
- One of a pocketful
- One of a pocketful, in nursery rhyme
- One of a poetic pocketful
- One of a popular TV game show duo
- One of a powerful race of gods
- One of a pretentious eight
- One of a primer pair
- One of a program dozen
- One of a prohibitive septet
- One of a protective pair
- One of a psychological trilogy
- One of a puzzling duo?
- One of a quartet of '50s singing siblings
- One of a quint's four
- One of a race created by JRR Tolkien
- One of a race in Middle-earth
- One of a race of supernatural beings supposed to inhabit the air
- One of a raising pair?
- One of a rat's pack?
- One of a ream
- One of a reconciling pair painted by Rubens
- One of a religious trio
- One of a reporter's five W's
- One of a reporter's W's
- One of a reproductive pair
- One of a reptilian comics quartet
- One of a retail group
- One of a retired set
- One of a rhino's 12
- One of a river's pair
- One of a Roman septet
- One of a rotated set
- ONE of a ruling class
- One of a sailing trio
- One of a sailor's seven
- One of a salty seven
- One of a satanic couple
- One of a score's two
- One of a Scrabble 100
- One of a Scrabble set's 100
- One of a seagoing trio
- One of a seasonal octet
- One of a secretive trio
- one of a sect of naked ascetics of ancient India
- One of a select group
- One of a semana's seven
- One of a semi's eighteen
- One of a series
- One of a series at a wedding reception
- one of a series of arithmetical functions used to make certain calculations easier
- One of a series of attempts
- One of a series of recurring actions
- one of a series of stones that form a kerb
- One of a set for toddlers
- One of a set in the kitchen
- One of a set of 64, maybe
- One of a set of faddish toys that at its peak made up 10% of all eBay sales
- One of a set of four on a London taxi
- One of a set of steps
- One of a set set in hair
- One of a short seven
- One of a show biz threesome
- One of a silent force?
- One of a singing quartet?
- One of a singing trio
- One of a sinkful
- One of a sisters trio
- One of a skeletal pair
- One of a skyscraper's many