How many letters does the largest word on this list consist of?'kupfernickel' (12 characters)
What is an example of a interesting word that starts with 'kup' and includes 'i'?By far the most unusual word from this list is 'kupfernickel'. According to the Oxford dictionary, 'kupfernickel' is defined as "Copper-nickel; niccolite. See Niccolite.".
What is the max number of words you're able to make using this combination of letters?From this page of words starting with 'kup' that contain 'i', you have 2 combinations that are available.