Long vs. short «o», check the words that have the long «o» sound in them. Some children have a hard time understanding the difference between the long and short vowel sounds. For example, the long and short «o» sounds. Guide your little learner on how to understand the long and short «o» sound with this colourful worksheet. Watch as your child finds it easier to recognise words which have the long «o» and words which feature the short «o».