Word Unit: audac-, audaci- (Latin: to dare, be bold)
Word Unit: audio-, aud-, audi-, audit- + (Latin: hearing, listening, perception of sounds)

Related "hear, hearing; listen, listening" units: acous-; ausculto-.

Word Unit: aug-, auc-, auct-, auxano-, auxi-, aux-, auxo- (Greek > Latin: to increase, to grow; growth)
Word Unit: augur- (Latin: diviner, soothsayer; a member of the college of priests in Rome, who foretold the future; in ancient Rome, a priest who foretold events by interpreting omens)

Cross references of word families that are related directly, or indirectly, to: "divination, diviner; seer, soothsayer, prophecy, prophesy, prophet": auspic-; fa-, fate; Fates in action; futur-; -mancy; omen; -phemia; sorc-, sorcery; vati-.

Word Unit: aulet-, auletris- (Greek: a flutist, musician)
Word Unit: aulo-, aul- (Greek: hollow way, tube, pipe; any instrument; such as, a flute)

A cross reference of word units that are related, directly and/or indirectly, with "tube, pipe": can-, cann-; duc-, -duct (to lead, leading); fistul-; siphon-; syringo-; tub-.

Word Unit: auri-, auriculo-, auricul-, auro-, aur- + (Latin: ear)

Related "ear" word families: myring-; oto-; tympano- (drum, stretched membrane).

Word Unit: auri-, auro-, aur- (Latin: gold, yellow)
Word Unit: aurora-, -aurora + (Latin: dawn)
Word Unit: ausculto-, auscult- + (Latin: listen, hear)

Related "hear, hearing; listen, listening" units: acous-; audio-.

Word Unit: auspic-, auspec- (Latin: to look, to observe in order to make a prediction; to see omens; from auspex [genitive form auspicis] avi-, stem of avis, "bird" plus -spex, "observer", from specere)

Cross references of word families that are related directly, or indirectly, to: "divination, diviner; seer, soothsayer, prophecy, prophesy, prophet": augur-; fa-, fate; Fates in action; futur-; -mancy; omen; -phemia; sorc-, sorcery; vati-.

A cross reference of other word family units that are related directly, or indirectly, to: "chance, luck, fate": aleato-; cad-; fortu-; -mancy; serendipity; sorc-; temer-; tycho-.

Word Unit: auster- (Greek: austeros, harsh, rough, bitter > Latin: dry, harsh, sour, tart)
Word Unit: austro-, austr-, austral-, auster- + (Latin: south, south wind, southern)

Cross references of word groups that are related, directly or indirectly, to: "air, wind": aello-; aeolo-; aero-; anemo-; atmo-; flat-, flatu-; phys-; pneo-, -pnea; pneumato-; turb-; vent-; zephyro-.

Word Unit: authentic-, authent- (Greek authentikos > Latin authenticus: original, genuine, authoritative; one who does something himself or herself)
Word Unit: author- (Latin: master, leader; he/she who brings about [something])
Word Unit: Autism Explained (also known as pervasive developmental disorder)
Word Unit: Autistic Savants (formerly termed idiot savants)
Word Unit: auto-, aut- (Greek: self, same, spontaneous; directed from within)

Inter-related cross references, directly or indirectly, involving word units dealing with "equal, identical, same, similar": emul-; equ-, equi-; homeo-; homo-; iso-; pari-; peer; rhomb-; syn-; tauto-.

Word Unit: avari- (Latin: greed, greedy)
Word Unit: avi-, av- (Latin: bird, birds)