- One of a slapstick Trio Alphabetic
- One of a sleep set
- One of a small septet
- One of a snorkeler's pair
- One of a Social Security card pair
- One of a sporting pair
- One of a square's four
- One of a stack of checkers
- One of a standard group of five
- One of a state's two, briefly
- One of a stool's three
- One of a storied threesome
- One of a storied trio
- One of a strand
- One of a study group?
- One of a support group
- One of a support grp.
- One of a swarm
- One of a swimmer's pair
- One of a swinging pair?
- One of a Swiss Army knife's many
- One of a swiveled pair
- One of a tbsp.'s three
- One of a team of eight
- One of a tenor's repertoire
- One of a Texas team punished for sign stealing
- One of a thousand in a Jane Smiley title
- One of a tight pair
- One of a toon septet
- One of a tour crew
- One of a toydom pair
- One of a traditional die's six
- One of a traditional elite
- One of a trapezoid's four
- One of a traveling musical trio
- One of a traveling support group
- One of a triangle trio
- One of a triangle's three
- One of a tribe of mythical warriors
- One of a tricycle's trio
- One of a tricycle's twosome
- One of a trio
- One of a trio in "The Twelve Days of Christmas"
- One of a trio that weighed anchor August 3, 1492
- One of a trio that weighed anchor in 1492
- One of a tub trio
- One of a Turkic people
- One of a TV sextet
- One of a TV twosome
- one of a type of salts
- One of a typical schooner's pair
- One of a vacationing busload
- One of a Valentine dozen
- One of a Valentine's Day dozen
- One of a vampire's pair
- One of a Vegas pair
- One of a very close pair of brothers
- One of a very large seven
- One of a violin quartet
- One of a vivacious pair
- One of a vocal pair
- One of a warming pair
- One of a watery quintet
- One of a watery seven
- One of a weatherman's three H's
- One of a well-known septet
- One of a West Coast trio
- One of a wet quintet
- One of a White House couple until 2017
- One of a winter foursome
- One of a winter pair
- One of a world majority
- One of a world septet
- One of a yard trio
- One of a yawl's pair
- One of a yawl's two
- One of a Yule trio
- One of a zany foursome
- One of a ZZ Top duo?
- One of AA's 12
- One of AA's twelve
- One of Aaron's 86 in '68
- One of Abel's brothers
- One of about 1,000 in Lux.
- One of about 1,500,000 in the Everglades
- One of about 100 billion in the human brain
- One of about 11 in a foot-candle
- One of about 14,500 in Manhattan
- One of about 2,400,000 in the United States
- One of about 268,600 in Tex.
- One of about 3,000 in Shakespeare's plays
- One of about 3,412 in a kW-h
- One of about 3.4 million Asians
- One of about 4.5 billion
- One of about 400,000 in the United States
- One of about 500 million needed to fill an Olympic swimming pool
- One of about a million on a jetliner
- One of about five of blood in the average adult body
- One of about nine million South Africans
- One of Abraham Lincoln's is in the Smithsonian
- One of academe's Seven Sisters
- One of academia's Seven Sisters
- One of action
- One of Adam's clan
- One of Adam's grandchildren
- One of Adam's sons
- One of Aesop's animals
- One of Aesop's stories
- One of Afghanistan's official languages
- One of AFI's top 20 film heroes
- One of Africa's largest cities
- One of Agatha's sleuths
- One of Alcott's "Little Men"
- One of Alcott's "Little Women"
- One of Alcott's women
- One of Ali's career 25
- One of all fours?
- One of almost 20 French kings
- One of Alvin's cohorts
- One of Alvin's singing partners
- One of America's 50
- One of America's cinquante
- One of America's nine
- One of American banking's Big Four, for short
- One of an academic octet
- One of an acre's 160
- One of an acre's four
- One of an air pair
- one of an American breed of chickens
- One of an amorous pair
- One of an ancient dozen
- One of an ancient Jewish sect
- One of an apocalyptic quartet
- One of an au pair?
- One of an edible bunch
- One of an educational trio
- One of an Egyptian 30
- One of an element's closely related atoms
- One of an elite eatery trio
- One of an express lane's 15 maximum
- one of an extinct family of cryptogamous trees, including the genus Sigillaria and its allies
- One of an iamb's two
- one of an imaginary race of half-size people
- One of an indistinguishable pair
- One of an infant's pair
- One of an infield quartet
- One of an inning's three
- One of an inning's three, which can follow the first word of 17-, 29-, 47- and 63-Across
- One of an Iraqi minority
- One of an iris's three
- One of an MLB quartet
- One of an oboe's pair
- One of an octopus's octet
- One of an old drive-in double feature, maybe
- One of an old film duo
- One of an old film trio
- One of an old threesome
- One of an orange trio
- One of an Oreo's forty-eight
- One of an umlaut's two
- One of an uplifting pair
- One of ancient China's Three Kingdoms
- One of Antarctica's seas
- One of Apu's octuplets on "The Simpsons"
- One of Archie's pals
- One of Archie's three sons
- One of Argus's array
- One of Arthur's knights
- One of Artie's exes
- One of Asia's 10 most populous cities
- One of Asta's feeders
- One of Asta's masters
- One of Asta's owners
- One of at least two in a split
- One of Attila's men
- One of Augusta National's first two female members
- One of Australia's six
- One of auto repair's Pep Boys
- One of Babe Ruth's 714
- One of baby's first words
- One of Barbie's siblings
- One of Barrie's Darlings
- One of Bart Simpson's aunts
- One of Bart Simpson's sisters
- One of Bart's catch phrases on "The Simpsons"
- One of Bart's sisters
- One of baseball's Alou brothers
- One of baseball's Alous
- One of baseball's DiMaggio brothers
- One of Baskin-Robbins' 31
- One of Beethoven's 32
- One of Beethoven's nine: Abbr.
- One of Ben Cartwright's sons
- One of Ben Franklin's certainties
- One of Ben's boys on "Bonanza"
- One of Benjamin Franklin's certainties
- One of Betty's "Golden Girls" costars
- One of billions in a puffball
- One of Bing Crosby's labels
- One of Bing Crosby's record labels
- One of Bo Peep's charges
- One of Bo's namers
- One of Bo's owners
- One of Bogart's spouses
- One of Bolivia's capitals
- One of Bolivia's official languages
- One of Broadway's Shuberts
- One of Brooklyn's Boys of Summer
- One of Buddhism's three fires
- One of Bugs' foes
- One of Bugs's antagonizers, familiarly
- One of C.S. Lewis's four loves
- One of cable's oldest networks
- One of Caesar's assassins
- One of Cain's brothers
- One of California's Santas
- One of Calliope's sisters
- One of Calvin's alter egos (abbr.)
- One of Can.'s Maritime provinces
- One of Canada's First Nations
- One of Canada's Prairie Provinces
- One of Canada's two main polit. parties
- One of Captain Ahab's legs
- One of Captain Hook's band
- One of Carl Perkins' "blue suede" pair
- One of Carlin's seven dirty words that's since become commonplace
- One of Carmen's people
- One of Carrie Bradshaw's main love interests in "Sex and the City"
- One of Carter's charges, on TV
- One of Central Park's 840
- one of certain muscles of the hand and foot used in flexing the digits
- One of Cezanne's "saisons"
- One of Chaney's thousand
- One of Charles's brothers
- One of Charlie's Angels
- One of Charlie's crimefighters
- One of Charlie's trio
- One of Charlie's women
- One of Charlton's many sans-pants parts
- One of Chaucer's Canterbury pilgrims
- One of Chaucer's pilgrims
- One of Chaucer's travelers
- One of Chekhov's "Three Sisters"
- One of Chekhov's sisters
- One of chemically related compounds
- ONE of children of same parents
- One of China's Northern Dynasties
- One of Chopin's 26
- One of Chopin's 27
- One of Christianity's deadly sins