Prefixes and suffixes in English
Would you like to learn more about prefixes and suffixes?
The
prefixes in-, im-, il-,
ir-, un-, dis- mean
‘opposite of’ or ‘not’.
Prefixes
rules and tips:
im– begin with ‘m’ or ‘p’ immature, impatient
in – begin with ‘c’ incorrect
il– begin with ‘l’
illiterate, illegal
ir– beginwith
‘r’irregular, irrelevant
There
are no rules for in–, un–
and dis–
inter-between interactive, international
mis-incorrectly mislead,
misspelt
over- too much overcook,
overweight
under - less than undercook,
underestimate
pre- before prehistoric,
pre-war
post – after post-election,
post-war
re- again rewrite, reuse
co - together co-operate, co-exist
The most common suffixes are -al, -ent, -ive, -ous, -ful, -less
Suffixes
which form an adjective:
-al central, political, national,
professional
-ent different, dependent, excellent
-ive attractive, effective,
imaginative
-ous continuous, dangerous, famous
-ful beautiful, peaceful, careful
-less endless, homeless, careless,
thoughtless
-able drinkable, countable, avoidable
Suffixes
which form a verb:
-ise stabilise, characterise,
symbolise,specialise
-ate differentiate, liquidate, communicate
-fy classify, simplify, justify
-en awaken, fasten, shorten.
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