(こと)なる

ことなる
verb (godan)
to differ, to vary, to be different
1. to differ, to vary
To be unlike or dissimilar.
意見(いけん)(こと)なる。
Opinions differ.
文化(ぶんか)(くに)によって(こと)なる。
Culture varies by country.
(おな)言葉(ことば)でも地域(ちいき)によって意味(いみ)(こと)なることがある。
Even the same word can have different meanings depending on the region.

(こと)なる means to differ or vary—a formal/written alternative to (ちが)う.

REGISTER:

  • (ちが)う: to be different (everyday speech)
  • (こと)なる: to differ (formal, written, academic)

COMMON PATTERNS:

  • AはBと(こと)なる: A differs from B
  • ~によって(こと)なる: varies depending on ~
  • ~とは(こと)なり: unlike ~, differing from ~

RELATED WORDS:

  • ()文化(ぶんか): different culture
  • ()(じょう): abnormal
  • ()(): objection
  • 相違(そうい): difference (formal noun)

USAGE NOTE:
Often used in academic writing, news, and formal contexts where (ちが)う would sound too casual.