containsvscurtainsWhich spelling fits?

Quick tell: contains is a verb, curtains is a noun, so they fill different roles in a sentence.

Which to use

“contains” is a verb and “curtains” is a noun - they look or sound alike but fill different roles in a sentence.

#2,105
“contains” frequency rank
#11,862
“curtains” frequency rank
13967
confusion score

Side-by-Side Comparison

Feature contains curtains
Definition third-person singular simple present indicative of contain plural of curtain

Where the eye mixes contains and curtains

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. contains and curtains follow the identical consonant-vowel pattern (CVCCVVCC). Same shape at a glance is often the real trap, independent of shared letters.

8 ch
contains
8 ch
curtains

Why the eye confuses contains with curtains

These two trip readers on the page rather than in the ear: contains is /kənˈteɪnz/ while curtains is /ˈkɜː(ɹ).tənz/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 13967, derived from the frequency rank of both members and their visual similarity.

contains is recorded at frequency rank #2,105, classified as averb, pronounced /kənˈteɪnz/. curtains is at rank #11,862, tagged as anoun, pronounced /ˈkɜː(ɹ).tənz/.

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 13967, this pair ranks #472,836 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of contains vs curtains

Shared letters: acinst. Private to "contains": o. Private to "curtains": ru.

"contains" · 8 letters · shape CVCCVVCC  ·  "curtains" · 8 letters · shape CVCCVVCC

Known mistypes of this pair

  • contains ← ccontains · cnotains · conatins · conntains · containns · containss · contaisn · contanis
  • curtains ← ccurtains · crutains · curatins · currtains · curtainns · curtainss · curtaisn · curtanis

Frequently Asked Questions

Do "contains" and "curtains" mean the same thing in a sentence?
No - they are not even the same part of speech. "contains" is a verb and "curtains" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "contains" or "curtains"?
"contains" is the more common of the two: it sits at frequency rank #2,105 in our English list, against #11,862 for "curtains". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "contains" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "curtains" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #472,836 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "contains" and "curtains" also get mixed up with nearby pairs, the highest-scored neighbour is "curtains vs Curtiss". 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 #472,836 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list