How to say "lag" in Japanese

• 遅れおくれJLPT N1approx.Common
  nounCovers the sense of lag as delay or falling behind in time or progress. Think of being late relative to a schedule, a deadline, or other people; the nuance is slowness rather than misalignment.
  私達わたしたちは多少たしょうの遅おくれを考慮こうりょに入いれなければいけません。↗

  We must allow for some delays.
• ずれJLPT N1approx.Common
  nounCovers lag as a gap, slippage, or mismatch between two things that should correspond, such as timing that does not line up. It emphasizes displacement or discrepancy rather than simple lateness.

Use 「遅れ」 for lag as falling behind or delay behind a schedule or others, and 「ずれ」 for lag as a gap or mismatch between two things that should line up.

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

• 遅れおくれdelay
• ずれgap
• ラグlag (esp. in online gaming)
• カクつきlag
• ラグるto lag (esp. in online gaming)
• 後になるあとになるto become late