Which to use
“contain” is a verb and “container” is a noun - they look or sound alike but fill different roles in a sentence.
- #2,984
- “contain” frequency rank
- #6,775
- “container” frequency rank
- 9759
- confusion score
Side-by-Side Comparison
| Feature | contain | container |
|---|---|---|
| Definition | To hold inside. | Someone who contains; something that contains. |
Where the eye mixes contain and container
Muted = shared; highlighted = the visual trap. They share 7 letters in sequence.
Why the eye confuses contain with container
These two trip readers on the page rather than in the ear: contain is /kənˈteɪn/ while container is /kənˈteɪnə/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “contain” sits inside “container”, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 9759, derived from the frequency rank of both members and their visual similarity.
contain is recorded at frequency rank #2,984, classified as averb, pronounced /kənˈteɪn/. container is at rank #6,775, tagged as anoun, pronounced /kənˈteɪnə/.
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 9759, this pair ranks #495,746 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of contain vs container
Shared letters: acinot. Private to "contain": -. Private to "container": er.
"contain" · 7 letters · shape CVCCVVC · "container" · 9 letters · shape CVCCVVCVC
Known mistypes of this pair
Frequently Asked Questions
Can "contain" and "container" be used interchangeably?
In ordinary English text, does "contain" or "container" show up more?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "contain" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "container" - compare definitions side by side with the headword page. Word entry
- This pair ranks #495,746 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "contain" and "container" also get mixed up with nearby pairs, the highest-scored neighbour is "conman vs contain". 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 #495,746 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.