One such word is witty.
witty
Wonderful.
Wholeheartedly is a long word. It begins with the letter w.
· weather satellites
dewdeclawdisallowdisavowdrawdrew
well-known
· windy
Weightlessness is a space word. It begins with the letter w.
The Holocaust was wicked. It begins with W.
wapiti?
Water-diviner
No Spanish words begin with W but some words borrowed from English, like 'walkman', 'water' (meaning 'toilet'), 'waterpolo' and 'whisky'.