In total, how many words are available using this combination of letters?From this page of words that start with 'u' and include 'aca', there are 19 unique entries that are possible.
How many letters are in the longest word on this page?The biggest word that's possible to assemble from this list is 'ulnometacarpal', which consists of 14 characters.
In Scrabble, what is the highest score you can get from words that start with 'u' and include 'aca'?For 13 points, it's possible to use 'unvacant'.
What is an unusual word from all the word combinations possible ?There are numerous strange words in this list, with that said our favorite word currently is 'ultrazodiacal'. The dictionary defines it as "Outside the zodiac; being in that part of the heavens that is more than eight degrees from the ecliptic; as, ultrazodiacal planets, that is, those planets which in part of their orbits go beyond the zodiac.".