There is a total of 8120 clues beginning with ad
- Addition, perhaps
 - Addition
 - Addition: Abbr
 - Additional
 - Additional action
 - Additional afterthought
 - Additional afterthought, for short
 - Additional amount
 - Additional amount
 - Additional answers
 - Additional answers?
 - Additional appellation
 - Additional assessment
 - Additional bedding?
 - Additional Built to Spill song?
 - Additional characters, in gamerspeak
 - Additional charge
 - Additional clause of a legislative bill
 - Additional clause on a legislative bill
 - Additional clauses tacked onto legislative bills
 - Additional comment
 - Additional conditions
 - Additional data on a news story
 - Additional decision-making factors
 - Additional economic burdens
 - Additional epistolary afterthought
 - Additional epithet
 - Additional examination [3rd from the sun]
 - Additional folk
 - Additional food helpings
 - Additional guest quarters, in Massachusetts?
 - Additional helping
 - Additional helping at a meal
 - Additional helping of food
 - Additional helpings
 - Additional honorary Roman name
 - Additional items
 - Additional items
 - Additional levies
 - Additional levy
 - Additional material for warmth
 - Additional matters of concern
 - Additional name given to famous Romans
 - Additional name
 - Additional number
 - Additional ones
 - Additional ones not itemized
 - Additional ones not itemized (with "the")
 - Additional ones
 - Additional payment
 - Additional people
 - Additional people
 - Additional performance
 - Additional performances
 - Additional phone line?
 - Additional piece, as at a Stadium concert
 - Additional postscript: Abbr
 - Additional prayers?
 - Additional question, often
 - Additional remuneration
 - Additional result
 - Additional sections of a book
 - Additional short sketch
 - Additional shot
 - Additional shot, on a movie set
 - Additional silk fabric?
 - Additional solutions?
 - Additional sound blended into a recording
 - Additional stipulations
 - Additional telephones
 - Additional things
 - Additional thought letters
 - Additional thought preceder
 - Additional to
 - Additional to
 - Additional trial
 - Additional tries
 - Additional tryouts
 - Additional unspecified things
 - Additional word
 - Additional work?
 - Additional, in ads
 - Additional, in adspeak
 - Additional, in commercialese
 - Additional-axle charge
 - Additional
 - Additional: Abbr
 - Additional: Scot
 - Additional: Sp
 - Additionally
 - Additionally
 - Additions
 - Additions after closings, in brief
 - Additions and deletions right before publication
 - Additions and deletions, say
 - Additions and subtractions, of a sort
 - Additions at school?
 - Additions to a bill
 - Additions to a farmhouse
 - Additions to a musical staff