Mazeltov, maglev, improv.
Six letter words ending in V are improv and maglev.
Vanquish is an eight letter word. Vermouth is another word beginning with v and ending with h.
kiev
Improv, maglev.
None in English.
shiv
vowing
vision
There are none. Not even a 3 letter word
Vetch
versus, visits
The letter V is not a common letter for words in English to end with. Some eight-letter words that end with V are mazeltov, stotinov, tolarjev.