envelope
Envelope.
Stretch is a 7 letter word with e as the only vowel. Twelfth is another 7 letter words containing only one vowel.
The word strength has only one vowel.The adopted word from German, schnapps, also has only one vowel.
Double-u
There is only one word that starts with the letter E an and with a V. This word is elov.
The word is "envelope" (which usually holds only one letter).
Another word for "pointy" that changes only one letter from "share" is "sharp."
rod
In English, you is the only one.
length
"Strengths" is a 9-letter word with only one vowel.
stretch