Which to use
“knights” is a noun and “nights” is an adverb - they look or sound alike but fill different roles in a sentence.
- #6,585
- “knights” frequency rank
- #3,186
- “nights” frequency rank
- 9771
- confusion score
Side-by-Side Comparison
| Feature | knights | nights |
|---|---|---|
| Definition | plural of knight | At night (during night-time, especially on a regular basis). |
Same sound, different letters: knights vs nights
Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 6 letters. knights runs 7 letters (CCVCCCC) against nights's 6 (CVCCCC) - the length gap alone is often enough to separate them once you know to check it.
Same sound, different spelling - knights / nights
Say them out loud and nothing separates them: knights and nights carry the same recorded pronunciation, /naɪts/. Grammar is what tells them apart: one is anoun, the other anadverb, so most sentences will only accept one of them. They differ by 1 extra letter(s) - “nights” sits inside “knights”. Our composite confusion score for this pair is 9771, derived from the frequency rank of both members and their visual similarity.
knights is recorded at frequency rank #6,585, classified as anoun, pronounced /naɪts/. nights is at rank #3,186, tagged as anadv, pronounced /naɪts/.
Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.
With a confusion score of 9771, this pair ranks #495,682 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of knights vs nights
Shared letters: ghinst. Private to "knights": k. Private to "nights": -.
"knights" · 7 letters · shape CCVCCCC · "nights" · 6 letters · shape CVCCCC
Known mistypes of this pair
Frequently Asked Questions
Can "knights" and "nights" be used interchangeably?
In ordinary English text, does "knights" or "nights" show up more?
What to do next
Sound matches; spelling doesn't. Use the exits below to lock the right form or check a cousin pair.
- Full dictionary entry for "knights" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "nights" - compare definitions side by side with the headword page. Word entry
- This pair ranks #495,682 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "knights" and "nights" also get mixed up with nearby pairs, the highest-scored neighbour is "knights vs knits". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #495,682 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.