noun which may take the genitive case particle 'no'
written form; writing; handwriting
Technical or formal term for the act or product of writing characters, often used in medical, educational, or linguistic contexts. Not an everyday word for 'writing'.
書字障害は学習障害の一種です。
Dysgraphia is a type of learning disability.
この患者は書字が困難です。
This patient has difficulty writing.