Refers to interpersonal or organizational tension, conflict, or bad blood, often between people or groups. More formal and abstract than 喧嘩 or 対立.
There has been long-standing friction between the two countries.
Discord between departments hindered the project's progress.
軋轢 is a more formal, literary word for interpersonal or organizational discord, while 摩擦 is the more general and commonly used term.
軋轢 highlights the friction or clashing that arises from conflicting interests, while 不和 focuses on the resulting unfriendly relationship.
Standard kanji spelling; both characters are relatively rare but this compound is well-established.
Kana spelling is sometimes used for readability, especially in less formal contexts.
Compound of 軋 (creak, grate) and 轢 (run over, grind), both suggesting friction or grating. The exact historical derivation is uncertain, but the combination conveys the idea of things rubbing against each other uncomfortably, extended to interpersonal conflict.