abuse vs. step

amusement vs. entertainment

avocation vs. pursuit

athletics vs. sport

animation vs. liveliness

animation vs. vivification

animation vs. invigoration

animation vs. spiritedness

animation vs. brio

animation vs. vitality

animation vs. life

acting vs. playing

apery vs. mimicry

aid vs. assist

assist vs. assistance

assist vs. help

assist vs. serve

assist vs. attend

ado vs. stir

analysis vs. psychoanalysis

accountancy vs. accounting

account vs. accounting

attention vs. care

attending vs. attention

anatomy vs. shape

aid vs. care

aid vs. assistance

aid vs. help

adrenalectomy vs. suprarenalectomy

appendectomy vs. appendicectomy

autograft vs. autoplasty

apheresis vs. pheresis

aphaeresis vs. apheresis

anointing vs. anointment

altering vs. fixing

actinotherapy vs. radiotherapy

administration vs. judicature

administration vs. governing

administration vs. government

administration vs. governance

administration vs. disposal

administration vs. establishment

administration vs. presidency

acupuncture vs. stylostixis

acupressure vs. shiatsu

abnormality vs. irregularity

abnormality vs. freakishness

abnormalcy vs. abnormality

affectation vs. mannerism

affectation vs. pose

affectation vs. affectedness

attitude vs. position

assault vs. violation

assault vs. snipe

assault vs. outrage

abomination vs. execration

abhorrence vs. abomination

abomination vs. detestation

abomination vs. loathing

abomination vs. odium

avarice vs. greed

avarice vs. covetousness

avarice vs. rapacity

avarice vs. avaritia

avarice vs. avariciousness

avarice vs. cupidity

acedia vs. sloth

anger vs. wrath

anger vs. ire

anger vs. choler

anger vs. angriness

adventure vs. escapade

adventure vs. gamble

adventure vs. risk

adventure vs. chance

adventure vs. hazard

adventure vs. venture

adventure vs. stake

adventure vs. jeopardise

adventure vs. jeopardize

attempt vs. effort

attempt vs. undertake

assay vs. attempt

attempt vs. try

attempt vs. essay

attempt vs. seek

assay vs. check

audition vs. tryout

audition vs. hearing

aim vs. object

aim vs. intention

aim vs. bearing

aim vs. heading

aim vs. aspire

aim vs. purpose

aim vs. purport

aim vs. propose

aim vs. direct

aim vs. calculate

aim vs. place

aim vs. take

aim vs. train

accompaniment vs. escort

accompaniment vs. complement

accompaniment vs. support

accompaniment vs. concomitant

aspiration vs. inhalation

ambition vs. aspiration

aspiration vs. dream

autoeroticism vs. autoerotism

adultery vs. fornication

assessment vs. judgment

appraisal vs. assessment

appraisal vs. estimate

agriculture vs. farming

agribusiness vs. agriculture

aquiculture vs. hydroponics

assembly vs. fabrication

assembly vs. gathering

assemblage vs. assembly

assembly vs. forum

apiculture vs. beekeeping

abdominocentesis vs. paracentesis

amnio vs. amniocentesis

arrangement vs. transcription

arrangement vs. placement

arrangement vs. organization

arrangement vs. organisation

agreement vs. arrangement

arranging vs. transcription

actualization vs. realization

actualisation vs. realization

avenue vs. boulevard

art vs. artistry

art vs. prowess

art vs. graphics

art vs. artwork

aggression vs. hostility

aggression vs. aggressiveness

assortment vs. categorization

assortment vs. mixture

assembling vs. collection

aggregation vs. collection

abidance vs. residency

abidance vs. compliance

abidance vs. conformity

abidance vs. conformation

audiology vs. audiometry

alignment vs. conjunction

alignment vs. coalition

alphabetisation vs. alphabetization

autolatry vs. idiolatry

apposition vs. juxtaposition

agape vs. gaping

aspersion vs. sprinkling

aspersion vs. denigration

aspersion vs. calumny

aspersion vs. slander

aspersion vs. defamation

aspersion vs. slur

apotheosis vs. deification

apotheosis vs. ideal

apotheosis vs. nonpareil

apotheosis vs. paragon

apotheosis vs. saint

apotheosis vs. nonesuch

apotheosis vs. nonsuch

adoration vs. latria

adoration vs. idolization

adoration vs. worship

alliance vs. confederation

alliance vs. coalition

alliance vs. bond

association vs. connection

affiliation vs. association

association vs. tie

antagonism vs. hostility

abstention vs. abstinence

ascesis vs. asceticism

asceticism vs. austerity

asceticism vs. nonindulgence

alimentation vs. feeding

alimentation vs. nourishment

accordance vs. conformity

accord vs. accordance

advertising vs. publicizing

ad vs. advertising

advertisement vs. advertising

advertising vs. advertizement

advertising vs. advertizing

advert vs. advertising

assignation vs. tryst

ableism vs. ablism

authorisation vs. authorization

authorization vs. empowerment

authorization vs. sanction

authority vs. authorization

authorization vs. dominance