How to say "compatible" in Japanese

• 統一とういつJLPT N2approx.Common
  noun, suru verb, transitive verbGlossed as 'compatible' only in a limited sense; 統一 really means unification, consolidation or uniformity — bringing things into one. It is seldom the word you want for 'compatible' in everyday use.
  スコットランドとイングランドの統一とういつは１７０６年ねんに行おこなわれた。↗

  The union of Scotland and England took place in 1706.
• コンパチブル
  na-adjectiveThe straightforward loanword for 'compatible' in technical contexts, such as hardware or software that works with another system. Though a less common word, it is usually the safest choice for this sense.
• コンパチ
  na-adjectiveA short abbreviation of コンパチブル with the same technical sense of compatible machines or software. Being an abbreviation, it is casual and less common, best kept to informal technical talk.
• 親和的しんわてき
  na-adjectiveCovers compatibility in the sense of working well together harmoniously, extending to 'friendly' uses such as user-friendly or environment-friendly. A less common but apt choice for human-, user- or environment-related compatibility.

For technical compatibility between machines or software use 「コンパチブル」 (or its abbreviation 「コンパチ」); for compatibility with people, environments or systems 親和的 fits; 統一 means unification, not compatibility.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 統一とういつunity
• コンパチブルcompatible
• 互換ごかんcompatible (e.g. PC)
• コンパチcompatible
• 親和的しんわてきcompatible