There is a total of 5645 clues beginning with ab
- Abbreviations in math book
 - Abbreviations in real estate ads
 - Abbreviations indicating "authors unknown"
 - Abbreviations indicating examples
 - Abbreviations meaning "aged"
 - Abbreviations on road maps
 - Abbreviations on vitamin bottles
 - Abbrs for father and franc
 - Abbrs for scions
 - Abbrs in company names
 - Abbrs in many company names
 - Abbrs indicating examples
 - Abbrs on 8 Down
 - Abbrs on a plat
 - Abbrs on city maps
 - Abbrs on letters
 - Abbrs on maps
 - Abbrs on mountain pass signs
 - Abbrs on old vitamin bottles
 - Abbrs on some maps
 - Abbrs on vitamin bottles
 - Abby Ahmad "___-Me"
 - Abby and Ann, eg
 - Abby and John
 - Abby and Martha's poison of choice, in a 1939 play
 - Abby and Martha, to Mortimer, in "Arsenic and Old Lace"
 - Abby Cadabby's show
 - Abby Phillip's network
 - Abby preceder
 - Abby's advice sister
 - Abby's advising twin
 - Abby's columnist sis
 - Abby's columnist sister
 - Abby's condition on SHO's "Work in Progress"
 - Abby's initial advice
 - Abby's late sister
 - Abby's output
 - Abby's sis
 - Abby's sister
 - Abby's twin
 - Abby's twin sister
 - Abby, to Ann
 - ABC "Be ___ Me"
 - ABC am program, in brief
 - ABC am show
 - ABC am show, briefly
 - ABC am show, for short
 - ABC anchor Sawyer
 - ABC anchorwoman Roberts
 - ABC and CBS regulator
 - ABC and KLM, eg
 - ABC and NBC overseer
 - ABC and UPN, to "Variety"
 - ABC and XYZ, eg
 - ABC and XYZ
 - ABC athletic kin
 - ABC bigwig Bloomberg
 - ABC boss Arledge
 - ABC chat show, with "The"
 - ABC chatfest
 - ABC comedian
 - ABC competitor
 - ABC counterpart
 - ABC countries and more
 - ABC daytime staple since 1997
 - ABC debut of '75
 - ABC drama about a missing plane
 - ABC drama about plane crash survivors
 - ABC drama filmed mostly in Hawaii
 - ABC drama set in the Hamptons
 - ABC drama set on a remote island
 - ABC dramedy "__ Stone"
 - ABC early show
 - ABC early show, briefly
 - ABC exec
 - ABC exec Arledge
 - ABC executive Arledge
 - ABC fixture since '75
 - ABC followers
 - ABC game show baddie
 - ABC gameshow baddie
 - ABC hit show
 - ABC hit sitcom (1977-81)
 - ABC incorrectly written by a hack?
 - ABC late-night host
 - ABC mainstay
 - ABC medical hit, familiarly
 - ABC morning show, briefly
 - ABC morning show, for short
 - ABC name
 - ABC News anchor David
 - ABC News correspondent Barry
 - ABC news exec
 - ABC news exec Arledge
 - ABC News first name
 - ABC News medical correspondent Johnson
 - ABC News president, 1977-98
 - ABC News reporter Potter
 - ABC newsman Potter
 - ABC newsman Potter and others