The suffix ous Sometimes the root word is obvious and the usual rules apply for adding suffixes beginning with vowel letters. Sometimes there is no obvious root word. our is changed to or before ous is added. A final e of the root word must be kept if the /d / sound of g is to be kept. If there is an /i:/ sound before the ous ending, it i
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poisonous |
Not all snake bites are poisonous.
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dangerous |
Chlorine gas is very dangerous.
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mountainous |
A large part of Austria is mountainous.
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famous |
The new building was to be designed by a famous architect.
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various |
There were various amusements at the carnival.
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tremendous |
The thunder made a tremendous noise.
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enormous |
The enormous crocodile was waiting by the riverbank.
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jealous |
She has a very jealous boyfriend.
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humorous |
A limerick is A humorous poem with an AABBA rhyme scheme,consisting of five lines.
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glamorous |
She always dressed up and looked glamorous.
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accept |
I accept your apology.
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except |
I'll eat anything except bananas.
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affect |
The government cuts will affect everyone.
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effect |
The stage lighting had a magical effect.
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* This sentence was added by a Spellzone user.
Boost your spelling accuracy through engaging and effective practice.
How to use:
Look and read the word.
Say the word. Click the speaker icon.
Cover the word.
Write the word.
Check your spelling.
Boost your spelling skills with interactive challenges.
Bouncing Baubles
Christmas spelling!
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Spelling Snowball
Winter spelling fun!
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Egg Hunt
Crack the eggs!
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Word Search, small
The classic English word game.
Against the Clock
Spelling 'against the clock'.
Mayan Temple
Try the temple spelling puzzle.
Monkey Business
It's bananas!
Check your spelling accuracy with this test.
Practice offline by printing worksheets for these words.
Enhance both spelling and handwriting with this activity.

One of the students has put in a huge amount of effort in completing Spellzone at least 3 times a week since his arrival with us in January. Looking at his scores after the latest GL testing, his standardised score has risen from 99 to 131. This is a truly phenomenal result. I just wanted to share the best result I have ever seen.
Terrie Penrose-Toms, Casterton College