-ous Suffix Spelling Practice (Root Words)

Year 4 Spelling Practice – Suffix -ous (Add to Root Word) Help your Year 4 pupils become confident with the suffix -ous , used to turn nouns into adjectives that describe something as “full of” a quality. This worksheet focuses on words where the suffix -ous is added directly to the root word, following common spelling patterns. Included words: poisonous joyous dangerous famous mountainous various Pupils are guided to: Read the word Cover it Write the correct spelling under the matching image Underline the key spelling focus The sheet includes this spelling explanation: “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.” This engaging task supports vocabulary building, suffix understanding, and spelling fluency. Perfect for: Year 4 spelling and grammar lessons Homework or independent tasks Visual and EAL learners Reinforcing vocabulary meaning through pictures What’s included: One printable PDF worksheet Six -ous words with visual cues Spelling rule reference included A perfect way to help children make the link between base words and descriptive adjectives.