Noun Verb Adjective Adverb

ability / disability enable / disable able / unable ably

acceptance / accept acceptable / acceptably /

unacceptability unacceptable unacceptably

accuracy / — accurate / inaccurate accurately /

inaccuracy inaccurately

activity / inactivity activate active / inactive actively / inactively

addition add additional additionally

admission admit admissible / —

inadmissible

approval / approve / approving / approvingly /

disapproval disapprove disapproving disapprovingly

assessment assess assessable —

assistance assist assistant —

attendance attend attentive / inattentive attentively / inattentively

belief / disbelief believe / believable / believably /

disbelieve unbelievable unbelievably

break break breakable / —

unbreakable
breadth broaden broad broadly

care care careful / careless carefully / carelessly

character characterize characteristic / characteristically /

uncharacteristic uncharacteristically

childhood — childish / childlike childishly

clarity clarify clear / unclear clearly / unclearly

comfort / discomfort comfort / comfortable / comfortably /

discomfort uncomfortable uncomfortably

communication communicate communicative / communicatively /

uncommunicative uncommunicatively

competition compete competitive / competitively /

uncompetitive uncompetitively

confidence / confide confident / diffident confidently / diffidently

diffidence

convenience / — convenient / conveniently /

inconvenience inconvenient inconveniently

courage / encourage / courageous / courageously /

discouragement discourage discouraged discouragingly

creation create creative / uncreative creatively / uncreatively

decision / indecision decide decisive / indecisive decisively / indecisively

dependence / depend dependent / dependently /
independence independent independently

description describe descriptive / descriptively /

indescriptive indescriptively

difference / differ different / indifferent differently / indifferently

indifference

efficiency / — efficient / inefficient efficiently / inefficiently

inefficiency

emotion — emotional / emotionally /

unemotional unemotionally

enjoyment enjoy enjoyable / enjoyably / unenjoyably

unenjoyable

explanation explain explanatory / —

unexplanatory

failure fail failed / unfailing —

fortune / misfortune — fortunate / fortunately /

unfortunate unfortunately

friend / friendship befriend friendly / unfriendly friendly / unfriendly

happiness / — happy / unhappy happily / unhappily

unhappiness

health — healthy / unhealthy healthily / unhealthily

honesty / dishonesty — honest / dishonest honestly / dishonestly

importance / — important / importantly /

unimportance unimportant unimportantly

information inform informative / informatively /

uninformative uninformatively

invention invent inventive / inventively /

uninventive uninventively

knowledge / know knowledgeable / knowledgeably /

ignorance ignorant ignorantly

length lengthen long lengthily

loss lose lost —

memory memorize memorable / memorably /

unmemorable unmemorably

nation nationalize national / nationally /

international internationally

necessity necessitate necessary / necessarily /

unnecessary unnecessarily

obedience / obey / disobey obedient / obediently /

disobedience disobedient disobediently

patience / — patient / impatient patiently / impatiently

impatience
peace — peaceful / peacefully /
unpeaceful unpeacefully

perfection / perfect perfect / imperfect perfectly / imperfectly

imperfection

performance perform performative —

permission permit permissible / permissibly /

impermissible impermissibly

popularity / — popular / unpopular popularly / unpopularly

unpopularity

possibility / — possible / impossible possibly / impossibly

impossibility

power empower powerful / powerless powerfully / powerlessly

reality / unreality realize real / unreal really / unreally

reliability / rely reliable / unreliable reliably / unreliably

unreliability

responsibility / — responsible / responsibly /

irresponsibility irresponsible irresponsibly

safety / danger — safe / dangerous safely / dangerously

satisfaction / satisfy / dissatisfy satisfied / satisfactorily /

dissatisfaction dissatisfied dissatisfactorily

security / insecurity secure secure / insecure securely / insecurely

sensitivity / — sensitive / insensitive sensitively /
insensitivity insensitively

success / failure succeed / fail successful / successfully /

unsuccessful unsuccessfully

surprise surprise surprising / surprisingly /

unsurprising unsurprisingly

thought / think thoughtful / thoughtfully /

thoughtlessness thoughtless thoughtlessly

truth / untruth — true / untrue truly / untruly

use / misuse use / misuse useful / useless usefully / uselessly

value / devaluation value / devalue valuable / valueless valuably / valuelessly

wealth / poverty — wealthy / poor wealthily / poorly

width widen wide widely

youth — young / youthful youthfully