E e. A i n
Twelve Generals' Letter was created in 2000.
There isn't a twelve letter word, but if you add another letter "n" you get: entertain met (add letter "n") entertainment
A twelve letter word for working well together is the word "cohesiveness".
"Alliteration" is a twelve letter word.
well an obvious one is the twelve disciples and there are probably many more that i can't remember.
"Wheelwright" is one...
factionalism
considerably
overabundant
understating
environmental
chit chatting