How many words are possible to make using this combination of letters?From this page of words starting with 'k' that contain 'er', there are 522 outstanding combinations that are possible.
What's the most popular word on this page?A well-known word for your request is 'keeper'.
How many characters does the longest word from this page contain?'Keratoconjunctivitis' is the biggest word that Dictionarypedia could construct, made up of 20 characters
What's a weird word from this page?We consider 'kettledrummer' to be the most unusual word. 'Kettledrummer' is defined as "One who plays on a kettledrum.", according to the dictionary.
In Scrabble, what's the highest score possible from words starting with 'k' that contain 'er'?With an enormous 522 entries, your best bet is 'kibitzer' which scores 23 points.