Which word that has 'u' in and ends with 'ar' is the most common word?A popular word for your search is 'particular'.
How many letters are in the largest word from this page?Try 'mechanicocorpuscular', which is made up of 20 characters.
How many words are there using this list?It is possible to derive 1,259 words with the combination you specified.
What is a strange word from the word combinations available ?Standing as our favorite weird word on this list is 'vehicular'. 'Vehicular' is defined as "Of or pertaining to a vehicle; serving as a vehicle; as, a vehicular contrivance.", according to the dictionary.
What is the highest scoring word in Scrabble you can play for ?Since there are so many words from which to select, your best choice is 'chukkar' which scores 20 points in total.