In total, how many words are there using this combination of letters?Overall, you can make 4 words.
What is the longest word you can make with words that have 'rv' in and end with 'na'?The longest word constructed by Dictionarypedia is 'irvingiana'.
What's the highest scoring word you can play in Scrabble ?As there is unfortunately offered, the only option you can go for is 'jervina' for a score of 17 points.
Is there an example of a word from this page of word that has 'rv' in and ends with 'na' which might be considered as interesting?A good example of an uncommon word from this list goes to 'nirvana'. According to the Oxford dictionary, 'nirvana' is defined as "In the Buddhist system of religion, the final emancipation of the soul from transmigration, and consequently a beatific enfrachisement from the evils of wordly existence, as by annihilation or absorption into the divine. See Buddhism.".