A "diphthong".
The silent letter in the word "mightier" is the "gh" in the middle of the word.
The word RIDE contains a 'dipthong', which is a combination of two different vowels, in this case the long vowel 'aa' as in 'father' and the 'i' sound as in 'eat', such that the phonetic pronunciation could be written <raaid>. By nature, a dipthong IS a long vowel sound, because it constitutes not one, but two different vowels. Furthermore, since the dipthong in RIDE contains the long vowel 'aa' already, it must be "at least as long as a long vowel".
The word RIDE contains a 'dipthong', which is a combination of two different vowels, in this case the long vowel 'aa' as in 'father' and the 'i' sound as in 'eat', such that the phonetic pronunciation could be written <raaid>. By nature, a dipthong IS a long vowel sound, because it constitutes not one, but two different vowels. Furthermore, since the dipthong in RIDE contains the long vowel 'aa' already, it must be "at least as long as a long vowel".
A phoneme is a sound. It is put in sound boxes like so /n/ /i/ /gh/ /t/. The gh makes one sound so it is only one phoneme. Making a 6 letter word into a 5 sound word.
A "diphthong".
A five letter word that end's with gh, is burgh.
Haughty
gh
The silent letter in the word "mightier" is the "gh" in the middle of the word.
tough
dough
Yes. F ea rlessness has one dipthong: consecutive vowels (e and a)
a big dipthong
dipthong
Because "tr" is a dipthong, and considered one utterance when combided with a vowel sound, the word trace is on syllable.
Short answer - no. "Floss" includes a short o. Blouse includes the dipthong "aʊ" - like "ow!"