Underground
Tv
In English, you is the only one.
The only English word that starts with D and ends with V is dev.
No word in the English language begins with sh and ends with cy.
I do not believe that such a word exists in English.
The happiest word in the English language that starts and ends with "S"= "smiles". For Spanish, it's "sonrisas", which means the same thing.
A word that starts with AN and ends with OR: ancestor.
Xylophone
stars
There is no English word that starts with you and ends with J.
'envelope' because it starts with 'e' and ends with 'e' and only has 1 letter in it.
There is no English word that starts with you and ends with J. However, there are words that end with J, such as: raj, haj, hajj, taj, aflaj, svaraj, swaraj.
The only English words that fit those requirements are tee, the, tie and toe.