'W' cannot be a vowel, the only interchangeable letter is 'y'. Here in the word 'two' 'w' is a silent consonant.
How about the word "vowel" itself? Or the word "vow"?
No. Contrary to what some people say, "W" is never a vowel in the English language.
not a vowel
Vowel teams are a word with two vowel's
The Welsh word crwth, borrowed directly without Anglicised spelling, sometimes appears in English dictionaries. In proper English, w is a vowel only when combined with another vowel, as a diphthong such as how or in words like yawn.
Three: v, w, and l.
'Wife' has a long vowel sound: w-eye-f.
The vowel sound for "one" is a short U, with a W preceding. (wun)
The vowel O in owl is controlled by the following W, making the vowel neither short or long. It makes the sound OW, as in COW.
actually there is two others, y and w can be used as a vowel also
One word is "cwm", and another is "crwth".Cwm is a basin at the bottom of a mountain.Crwth is an ancient Celtic musical instrument.W as a vowel in WelshThe Welsh language uses "w" as a vowel with a sound somewhere between the "oo" in "book" and the "u" in "buck", so other words borrowed from Welsh may have obsolete spellings with "w" as a vowel.***By the way, the aforementioned word "crwth" can also be spelled "cruth" or "crowd".Other examples with "w" as a vowel appear in place-names. "Bwlch" means a pass or gap. "Pwll" means a pool or puddle or pit. The other two words are used in English and appear in dictionaries. These two primarily appear in specialized dictionaries, such as some geographical dictionaries. However, "bwlch" appears in the Oxford Rhyming Dictionary and, apparently, the game Balderdash.As a clear example of using "w" as a vowel in Welsh, the Welsh language spells "Russia" and "Sudan" as "Rwsia" and "Swdan".
The O in "once" has a W-short U (wuh) vowel sound, as does the number one (wun).