apprehensive and anxious

appropriate and eloquent

approve and admire

apt and novel

archness and vivacity [archness = inappropriate playfulness]

ardent and aspiring

argument and inference

arid and unprofitable

arrangement and combination

arrogant and overbearing

artificial and elaborate

artistic and literary

artlessness and urbanity

ashamed and speechless

aspects and phases

aspiring and triumphal

a.s.siduity and success

a.s.similated and combined

a.s.suaged and pacified

astonished and curious

astound and perplex

athletic and nimble

atonement and forgiveness

atrocious and abominable

attacks and intrigues

attention and respect

att.i.tudes and expressions

attractiveness and ability

audacity and skill

august and splendid

austere and icy

available and capable

avarice and cruelty

avidity and earnestness [avidity = desire; craving]

awake and active

awe and reverence

awkwardness and crudity

B

babel and confusion

backbone and sinew

baffled and disappointed

balanced and forceful

barbarity and wickedness

bards and sages

base and unworthy

beam and blaze

bearing and address

beautiful and majestic

bedraggled and disappointed