Year 3 group 1 (l sound spelt el)
camel tunnel
squirrel travel
towel tinsel
bagel hazel
vowel jewel

Year 3 group 2
When the root word ends in ‘y’ and has more than one syllable
happily angrily
lazily greedily
easily messily
busily wearily
cheekily clumsily

Year 4
Words with a ‘shuhn’ sound spelt with ‘sion'(if root words end in ‘se’, ‘de’ or ‘d’
expansion extension
comprehension tension
corrosion supervision
fusion conclusion
persuasion suspension