How to say "analog" in Japanese

• アナログCommon
  na-adjective, no-adjectiveThe common word for the analog-versus-digital sense, covering non-digital devices, recordings, and media. For most everyday uses of 'analog,' this is the word you want.
• 類縁体るいえんたい
  nounA technical term for the scientific sense of 'analogue': a compound related to another in structure or activity, discussed in chemistry and pharmacology. It is not used for the analog-versus-digital sense.
• 類似体るいじたい
  nounAlso a technical term for a scientific 'analogue,' a compound similar in structure to another; like 類縁体, it belongs to scientific writing and never refers to non-digital devices.

Use 「アナログ」 for the common analog-versus-digital sense; 類縁体 and 類似体 are less common technical terms for a scientific 'analogue' — a compound related in structure to another — not for non-digital devices.

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

• アナログanalog
• 類縁体るいえんたいanalog
• 類似体るいじたいanalog