How many words can you make using the combination specified?It's possible to assemble 9 words from the combination you asked for.
What's a peculiar word from this page of words that start with 'oec' and include 'a'?One example of a strange word from this list goes to 'oecumenical'. The definition of 'oecumenical' is as follows: "See Ecumenical.".
How many letters does the longest word on this list contain?There are 14 letters in the word 'oecoparasitism', that makes it the longest word Dictionarypedia has.