1.3.3
Rules for Suffixes: '-ous'
Test your knowledge with free interactive questions on Seneca — used by over 10 million students.
Suffixes - 'ous'
You have already learnt that adding '-ous' to a noun turns the noun into an adjective. But sometimes you can't just add 'ous' and you need to drop or change a letter. Let's look at what you do if a word ends in 'e'...

Words ending in 'e'
- If you want to add 'ous' to a noun ending in 'e', you need to drop the 'e' at the end of the word.
- Let's walk through 2 examples...
Suffixes - 'ous'
You have already learnt that adding '-ous' to a noun turns it into an adjective. But sometimes, you can't just add 'ous' and you need to drop or change a letter. Let's look at what you do when the word ends in 'y'...

Words ending in 'y'
- If you want to add 'ous' to a noun ending in 'y', you need to change the 'y' at the end of the word to an 'i'.
- Let's walk through 2 examples...
Suffixes - 'ous'
You have already learnt that adding '-ous' to a noun turns the noun into an adjective. But sometimes you can't just add 'ous' and you need to drop or change a letter. Let's look at what you do when the word ends in 'our'...

Words ending in 'our'
- If you want to add 'ous' to a noun ending in 'our', you need to drop the 'our' at the end of the word and add 'or' before adding 'ous'.
- This sounds confusing. So let's walk through some examples...
1Reading
1.1Root Words
1.2Prefixes
1.3Suffixes
2Writing
2.1Composition
2.2Conjunctions
2.3Present Perfect Tense
2.5Fronted Adverbials
2.7Homophones
2.8Spelling Rules
2.9Using Apostrophes
2.10Using a Dictionary
Jump to other topics
1Reading
1.1Root Words
1.2Prefixes
1.3Suffixes
2Writing
2.1Composition
2.2Conjunctions
2.3Present Perfect Tense
2.5Fronted Adverbials
2.7Homophones
2.8Spelling Rules
2.9Using Apostrophes
2.10Using a Dictionary
Practice questions on Rules for Suffixes: '-ous'
Can you answer these? Test yourself with free interactive practice on Seneca — used by over 10 million students.
- 1What is the adjectival form of __nerve__?Multiple choice
- 2What are the adjectival forms of these nouns?Fill in the list
- 3
- 4What noun does the adjective __famous__ come from?Multiple choice
- 5What noun does the adjective __adventurous__ come from?Multiple choice
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