Root -ful -less/un__ ful

beauty beautiful

care careful careless

cheer cheerful cheerless*

colour colourful colourless

count countless

deceit deceitful

delight delightful

effort effortless

end endless

event eventful uneventful

faith faithful unfaithful

fault faulty faultless

flight flightless

gratitude grateful ungrateful

hair hairy hairless

harm harmful harmless

heart----------------------- heartless

help helpful helpless* / unhelpful*

home homeless

hope hopeful hopeless

job------------------------- jobless

meaning meaningful meaningless

pain painful painless

peace peaceful

point pointless

power powerful powerless

price priceless*

relent relentless

resource resourceful unresourceful

respect respectful disrespectful
skill . skilful*/skilled* unskilled

sleep -------------- sleepless

speech speechless

stress stressful unstressful

success successful unsuccessful

taste tasty* / tasteful* tasteless

thought thoughtful* thoughtless

time timeless

truth truthful untruthful

use useful useless

waste wasteful--------------------------

wonder wonderful------------------------

worth worthless*

youth youthful

cheerless:used mainly to describe the weather or a room which is not bright or pleasant

helpless:unable to do anything to help or protect yourself

unhelpful:not willing to help other people

priceless:used to describe an object which has a very high value; it is worth so much money that the price cannot be calculated (compare with worthless below)

skilful & skilled:both can be used to describe a person who has the necessary ability, experience and / or training to do something well. eg He's a skilful footballer. This work was done by skilled craftsmen.

skilled:can also be used to describe a job or piece of work that requires special skill and training eg Nursing is a skilled job.

tasty:used to describe food with a strong and pleasant flavour

tasteful:used to describe clothes, decoration etc which is attractive and shows good taste

thoughtful:

a to describe a person who is quiet and serious because they are thinking about something

b to describe someone who thinks and cares about the feelings and needs of other people

worthless:used to describe an object with no value in money (compare with priceless above)

-ic

Noun Adjective

allergy allergic

drama dramatic

optimism optimistic

pessimism pessimistic

science scientific

strategy strategic

-ary

Noun Adjective

caution cautionary

literature literary

revolution revolutionary

Verb Adjective

imagine imaginary

volunteer (in)voluntary

Verbs

-ate

Noun Verb

assassin assassinate

difference differentiate

value evaluate

captive captivate

dominant dominate

valid validate

Ory

Verb Adjective

advise advisory

celebrate celebratory

contradict contradictory

explain explanatory

introduce introductory

migrate migratory

oblige obligatory

prepare preparatory

satisfy (un)satisfactory

supervise supervisory

en-

Noun Verb

courage encourage (discourage)

danger endanger

force enforce

Adjective Verb

able enable

large enlarge

rich enrich

sure ensure

Ly

Noun Adjective

friend (un)friendly

life lively

time (un)timely

-У

Noun Adjective

chat chatty

cloud cloudy

ease easy

fault faulty

fog foggy

frost frosty

grass grassy

guilt guilty

hair hairy

hill hilly

mist misty

mud muddy

rain rainy

rock rocky

sleep sleepy

sun sunny

wealth wealthy

-en

Adjective Verb

black blacken

bright brighten

broad broaden

dark darken

deaf deafen

deep deepen

fat fatten

flat flatten

hard harden

high heighten

long lengthen

less lessen

loose loosen

red redden

sad sadden

sharp sharpen

short shorten

soft soften

stiff stiffen

straight straighten

strong strengthen

sweet sweeten

thick thicken

tight tighten

weak weaken

wide widen

worse worsen

Noun Verb

threat threaten

-jfy

Noun Verb

class classify

example exemplify

Glory glorify

identity identify

qualification (dis)qualify

Adjective Verb

clear clarify

pure purify

simple simplify

-ize

Noun Verb

character characterize

computer computerize

emphasis emphasize

memory memorize

moisture moisturize

summary summarize

symbol symbolize

Adjective Verb

commercial commercialize

familiar familiarize

general generalize

modern modernize

social socialize

special specialize

stable stabilize

Date: 2015-12-11; view: 1365