boation

As nouns the difference between terms and boation

is that terms is while boation is (obsolete|uncountable) bellowing.

As nouns the difference between boation and boration

is that boation is bellowing while boration is treatment or reaction with a borate or other boron compound.

As nouns the difference between roar and boation

is that roar is a long, loud, deep shout made with the mouth wide open while boation is bellowing.

As a verb roar

is to make a loud, deep cry, especially from pain, anger, or other strong emotion.