Thursday, 14 November 2013

Prefixes, Suffixes and Word roots

Prefixes

prefix is a group of letters placed before the root of a word. For example, the word "unhappy" consists of the prefix "un-" [which means "not"] combined with the root (stem) word "happy"; the word "unhappy" means "not happy."

A Short List of Prefixes:

PREFIX
MEANING
EXAMPLES
de-
from, down, away reverse, opposite
decode, decrease
dis-
not, opposite, reverse, away
disagree, disappear
ex-
out of, away from, lacking, former
exhale, explosion
il-
not
illegal, illogical
im-
not, without
impossible, improper
in-
not, without
inaction, invisible
mis-
bad, wrong
mislead, misplace
non-
not
nonfiction, nonsense
pre-
before
prefix, prehistory
pro-
for, forward, before
proactive, profess, program
re-
again, back
react, reappear
un-
against, not, opposite
undo, unequal, unusual

Suffixes

suffix is a group of letters placed after the root of a word. For example, the word flavourless consists of the root word "flavour" combined with the suffix "-less" [which means "without"]; the word "flavourless" means "having no flavour."

A Short List of Suffixes:
SUFFIX
MEANING
EXAMPLES
-able
able to, having the quality of
comfortable, portable
-al
relating to
annual, comical
-er
comparative
bigger, stronger
-est
superlative
strongest, tiniest
-ful
full of
beautiful, grateful
-ible
forming an adjective
reversible, terrible
-ily
forming an adverb
eerily, happily, lazily
-ing
denoting an action, a material, or a gerund
acting, showing
-less
without, not affected by
friendless, tireless
-ly
forming an adjective
clearly, hourly
-ness
denoting a state or condition
kindness, wilderness
-y
full of, denoting a condition, or a diminutive
glory, messy, victory,


Common Word Roots


Root
Meaning
Example
Definition
agri
field
agronomy
field-crop production and soil management
anthropo
man
anthropology
the study of man
astro
star
astronaut
one who travels in interplanetary space
bio
life
biology
the study of life
cardio
heart
cardiac
pertaining to the heart
cede
go
precede
to go before
chromo
color
chromatology
the science of colors
demos
people
democracy
government by the people
derma
skin
epidermis
the outer layer of skin
dyna
power
dynamic
characterized by power and energy
geo
earth
geology
the study of the earth
helio
sun
heliotrope
any plant that turns toward the sun
hydro
water
hydroponics
growing of plants in water reinforced with nutrients
hypno
sleep
hypnosis
a state of sleep induced by suggestion
ject
throw
eject
to throw out
magni
great, big
magnify
to enlarge, to make bigger
man(u)
hand
manuscript
written by hand
mono
one
monoplane
airplane with one wing
ortho
straight
orthodox
right, true, straight opinion
pod
foot
pseudopod
false foot
psycho
mind
psychology
study of the mind in any of its aspects
pyro
fire
pyrometer
an instrument for measuring temperatures

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