A thesaurus is a book that contains words of similar meanings and opposite meanings.<span />
Their similarities are, they is they are both languages of signs and symbols which combine to words, sentences, and stories. Their differences is math, uses numbers and english helps you for example, on interviews.
What do you mean what happend
Evenness means an equality between two species, or to sets of variables in mathematics, so evenness of mind and temper would be a tranquility or peace between these two parts of your body.
A ten letter word with this meaning is Equanimity.
Definition: mental calmness, composure, and evenness of temper, especially in a difficult situation.