There is a total of 18633 clues beginning with an
- Anc peoples of Rome: Lat
 - Anc Persian coins
 - Anc Peruvian
 - Anc pillar
 - Anc region around Troy (with "The")
 - Anc region of Asia Minor (with "the")
 - Anc rock city of Jordan
 - Anc Roman clan
 - Anc Roman road
 - Anc Roman units of value
 - Anc Scot's ally
 - Anc site of Villa d'Este
 - Anc stone slab
 - Anc theater structure
 - Anc theater
 - Anc weight of Greece
 - Ancestor
 - Ancestor discovered in 1891
 - Ancestor of "pre"
 - Ancestor of 57 Across
 - Ancestor of a banjo
 - Ancestor of a bopster
 - Ancestor of a calculator
 - Ancestor of a cell
 - Ancestor of a DVD player
 - Ancestor of a fax
 - Ancestor of a motel
 - Ancestor of a Pueblo
 - Ancestor of Abraham
 - Ancestor of airmail
 - Ancestor of all mankind
 - Ancestor of Brazilian jiujitsu
 - Ancestor of domestic cattle
 - Ancestor of Enoch
 - Ancestor of Grendel in "Beowulf"
 - Ancestor of human race
 - Ancestor of Ital
 - Ancestor of jazz
 - Ancestor of Lamech
 - Ancestor of Methuselah
 - Ancestor of Methuselah
 - Ancestor of Moses
 - Ancestor of Noah
 - Ancestor of Noah
 - Ancestor of O P S
 - Ancestor of poker
 - Ancestor of Scottish Gaelic and Manx
 - Ancestor of the "Nautilus"
 - Ancestor of the adding machine
 - Ancestor of the ball point
 - Ancestor of the bassinet
 - Ancestor of the canary
 - Ancestor of the coast-to-coast jet
 - Ancestor of the comptometer
 - Ancestor of the contrabass
 - Ancestor of the deep freeze
 - Ancestor of the domestic hog
 - Ancestor of the Edomites
 - Ancestor of the Edomites
 - Ancestor of the electric blanket
 - Ancestor of the girdle
 - Ancestor of the Hanovers
 - Ancestor of the harp
 - Ancestor of the Hebrews
 - Ancestor of the Hittites
 - Ancestor of the horse
 - Ancestor of the Irish and Welsh
 - Ancestor of the mandolin
 - Ancestor of the modern digital computer
 - Ancestor of the modern horse
 - Ancestor of the modern lemon and lime
 - Ancestor of the Nautilus
 - Ancestor of the Q'ero Indians
 - Ancestor of the romance languages
 - Ancestor of the tank
 - Ancestor of the turnpike
 - Ancestor of the viol
 - Ancestor of today's computers
 - Ancestor of Windows
 - Ancestor worship
 - Ancestor's opp
 - Ancestor, in civil law
 - Ancestor, in Germany
 - Ancestor
 - Ancestor: Ger
 - Ancestor: Poet
 - Ancestors
 - Ancestors for whom tribes are named
 - Ancestors from long, long ago
 - Ancestors in Darwin's theory
 - Ancestors of 24 Across
 - Ancestors of ballerina Maria Tallchief
 - Ancestors of CDs
 - Ancestors of domestic cattle
 - Ancestors of domestic donkeys
 - Ancestors of the gremlins
 - Ancestors of the House of Windsor
 - Ancestors of the oboe
 - Ancestors of the ostrich
 - Ancestors of the present-day Ossets