The Spelling Rules for Adding Suffixes:

When to double a letter - and when not to double

Teaching point - learning to spell

If you are adding a vowel suffix to a short vowel word that ends with a vowel followed by two consonants (VCC), you do not need to double the last consonant.

Remember that -y is considered a vowel suffix.

For example:

word lists word lists
jump + ing = jumping wind + y = windy
word lists word lists

Learn the Words:
Study this word list 'Look, Say, Cover, Write, Check' spelling exercise English spelling games spelling test

Now try these. Be careful! Sometimes you will need to double the consonant and sometimes you won’t.

Add the suffix to the root word.

Type the whole word:

camp + er
bad + ly
sad + ness
flat + est
hid + en
hat + less
fog + y
mug + ful
crack + ed
bump + y
snob + ish
wet + er

Skip this exercise and go to the next part of this unit: More on 'double or not?' *

* Skip link not available for logged in students.

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Unit 9: Adding suffixes: the spelling rules

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