Long O Spellings: O, OA, OW, OU, OUGH




As with many English vowels, there are multiple ways to represent /ō/ when spelling words. There is no specific spelling rule to help determine which spelling to use; however, there are some helpful spelling patterns to consider when spelling words with /ō/.

Most Common Spellings of /Ō/ 

Single-letter o at the end of a syllable because o usually says /ō/ at the end of a syllable.

ō pen he rō cō zy  hō tel

Single-letter o in a closed syllable ending with a silent E because the vowel says its long sound because of the E.

hōpe nōse slōpe  strōke bōne phōne

Single-letter o can also say its long sounds before two consonants. 

cōld pōst tōld mōst bōld  sōld

Other Spellings of /Ō/

OA two-letter /ō/ that may not be used at the end of English words.

boat coat soap foa road coach

OW that may be used at the end of English words and most commonly found at the end of the word.

mow crow flow snow glow grow

OU that may not be used at the end of English words. This phonogram has multiple sounds but /ō/ is not common and is found in the middle of the word.

soul poultry shoulder boulder four court

OUGH which comes at the end of the word is the least common spelling for /ō/. It is only found in four words!

dough thorough though borough

Even though there are multiple ways to spell /ō/ it is important to consider the most common spellings and where the sound is occurring in the word in order to help determine which spelling to use. As always, students are not expected to know which spelling of /ō/ to use and they should be cued during spelling analysis.