Some words that have 2 Ys in them are:
Chat with our AI personalities
Shyly.
not to my knowledge
The Official Scrabble Players Dictionary does not include any two letter words that contain the letter V.
Accent
Some eight letter words with two Ws are:downtowndownwardshowdownslowdownstowawayswimwearwashbowlwerewolfwestwardwindwardwithdrawwormwood