That word is a misnomer, it's not an accurate expression.

His prediction was very accurate.

The accuracy of this machine is astonishing.

His new name is 'Hero'.

Plants of this kind are collectively referred to as 'cacti'.

His poetry depicts emotions with beautiful expressions.

He is not good at expressing his feelings in words.

His words always resonate in my heart.

His kindness is so great that it's unable to put into words.

His kindness is so great that it's unable to put into words.