-auto = self

autobiography

autocratic

autography

autoimmune

automaker

-al, -ol = 1. 外 2. 长高、长大

alien

alienate

alienated

alienating

alienation

allegory

allergy

allergic

altruism

altruistic

ultimate

ultimately

ultimatum

parallel

unparalleled

alter

altered

alteration

alternate

alternately

alternative

alternatively

alternating

altercation

abolish

abolition

abolitionist

abort

abortion

adult

adultery

adulthood

alderman

adolescent

adolescence

mature

coalesce

prolific

elder

elderly

eldest

enhance

enhanced

enhancement

altitude

exalt

exalted

-act, -ag, -ig = do

act

action

active

inaction

actively

inactive

activism

activist

activity

inactivity

acting

actor

actress

actual

actually

actuality

interact

interaction

interactive

agent

agency

colleage

agenda

fatigue

transaction

activate

activation

proactive

hyperactive

hyperactivity

radioactive

react

reactive

reaction

reactionary

reactor

actuator

actuate

class-action

enact

re-enact

enactment

counteract

exact

exactly

exacting

accent

n.

accentuate

vt.

incentive

n.

approach

vt&vi ap=ad=to + proach=prop-=come closer

  1. approach to healing patients.
  2. the approach of spring.

approaching

adj.

  1. approaching tornado
  2. approaching enemy

rapprochement

n

proximity

n.

  1. in close proximity to
  2. proximity sensor

proximal

adj.

approximate

adj.

  1. approximate cost
  2. approximate to the real facts.

approximately

adv.

approximation

n.

add

vt.vi

  1. add the cheese to the sauce.
  2. add to the pressure on.
  3. add flavor.

added

adj.

addition

n.

  1. in addition
  2. in addition to …

additional

adj.

additionally

adv.

additive

n.

  1. additive-free orange juice.

auth-, aug-, aux-, grow = to increase, to grow

grow

vi.vt.

  1. grow by almost 4 million.
  2. grow my hair.

grower

n.

growing

adj.

  1. a growing number of people.

growth

n.
v + th = n
long-> length, deep-> deepth, warm-> warmth

grown

adj

  1. full-grown
  2. home-grown

grown-up

adj.n

fast-growing

adj.

  1. fast-growing population

fastest-growing

adj.

outgrow

vt.

  1. outgrow her school uniform.
  2. outgrow one’s passion for rock music.

outgrowth

n.

  1. an outgrowth of an art project.

old-growth

adj.

  1. old-growth forests.
  2. old-growth pine.

grass

n.

  1. the grass is greener on the other side.

grass-roots.

n.

grassy

adj.

grassland

n.

grasshopper

n.

bluegrass

n.

graze

vt.vi.n

grazing

n.

author

n.vt.

authorship

n.

  1. right of authorship.

authorial

adj.

authority

n.

  1. challenge one’s authority.
  2. delegate authority.

authorize

vt.

authoritative

adj.

  1. an authoritative tone of voice.

authorization

n.

  1. the authorization of spending.
  2. without authorization.

authorized

adj.

unauthorized

adj.

authoritarianism

n.

authentic

adj. aut=auto + hen = done + t + ic

  1. authentic Italian food.
  2. authentic details about.

authenticity

n.

  1. the concept of authenticity

auction

vt.

  1. an auction of paintings.

auctioneer

n. auction + eer

augment

vi. aug=to increase, enlarge + ment.

augxiliary

adj.n auxili=aug + ary

  1. an auxiliary motor.

wax

n.vt.

  1. wax the floor.
  2. wax painting.

waxed

adj.

waist

n.

  1. put his arm around her waist.

crea-, cre-, crui, crese-, cresc- = grow

create

vt.

created

adj.

creation

n.

  1. wealth creation.
  2. a literary creation.

creative

adj.n

  1. creative thinking.

creature

n.

  1. respect for all living creatures.
  2. a creature of habit.

creativity

n. creative + ity

  1. creative power.
  2. originality.

creator

n.

re-creat

vt.

recreation

n.

  1. facilities for leisure and recreation.
  2. recreations such as golf, football and shooting.

recreational

adj.

creatively

adv.

creationism

n.

increase

vt&vi&n.

increased

adj.

increasing

adj.

increasingly

adv.

decrease

vi.vi.n

decreased

adj.

decreasing

adj.

accretion

n.

increment

n.

  1. rate of increment.

incremental

adj.

crew

n.vt.vi

  1. rescue crew.
  2. repair crews.
  3. crew members.

crewman

n.

crescendo

n. cresc= cre

  1. Voices rose in a crescendo and drowned him out.

crescent

n.

croissant

n.

  1. coffee and croissant

concrete

adj.n.vt

sincere

adj. sin=one + cere=cre=grow

sincerely

adv.

  1. sincerely believe.

sincerity

n.

cereal

n.

  1. a bowl of cereal
  2. the cereal-growing districts.

recruit

vt.n

recruiter

n.

recruiting

n.

recruitment

n.

accrue

vt&vi

able

adj.

ability

n.

unable

adj.

disable

vt.

disabled

adj.

disability

n.

enable

vt.

able-bodied

adj.n

doable

adj.

ang- = tight, painful

anger

n.vt.

angry

adj.

anxious

adj.

anxiously

adv.

anxiety

n.

angst

n.

anguish

n.

anguished

adj.

ann- = year

annual

adj.n.

annually

adv.

annuity

n.

annal

n.

millennium

n. mill- + enn- + -ium

perennial

adj.n. per- + enn + ial

ar- = to fit together

ordi- = to begin to weave

order

n.vt.
order vs command

ordered

adj.

ordering

n.

orderly

adj.n.

mail-order

n. mail + order

disorder

n. dis- = not + order

disordered

adj.

disorderly

adj.

coordinate

vt.n co + ordin=to set in order + -ate

coordinator

n.

coordination

n.

coordinated

vt.adj.

ordinary

adj. ordin = order + -ary

extraordinary

adj. extra + ordin + ary

ordinarily

adv.

extraordinarily

adv.

subordinate

vt.n.adj. sub + ordin + ate

subordination

n.

ordain

vt.

ordinance

n.

ordained

vt.adj.

ordination

n.

ordnance

n.

inordinate

adj. in- = not + ordinate