Are Ou and Ow Diphthongs?

same sound as heard in cow. ... This sound has two spelling patterns, (ow) (ou). These vowel combinations (ow, ou) are diphthongs when they have the variant vowel sound as heard in cow and house.

What is the rule for OU and OW?

When you hear /ow/ at the end of a word or syllable, use ow (cow, now, pow/er, show/er). When you hear /ow/ at the start of, or inside a word or syllable, use ou (ounce, house, loud). BUT: If the word rhymes with down (frown, clown, town) or owl (howl, towel, growl) we usually use ow.

Is OU a vowel team or diphthong?

There are 8 English diphthongs, including the vowel team pairs 'oi'/'oy' and 'ou'/'ow'. Most vowel sounds are made with the mouth in one position, making one pure sound e.g. /a/.