Which to use
“look” is a verb and “lookup” is a noun - they look or sound alike but fill different roles in a sentence.
- #151
- “look” frequency rank
- #34,576
- “lookup” frequency rank
- 34727
- confusion score
Side-by-Side Comparison
| Feature | look | lookup |
|---|---|---|
| Definition | To try to see, to pay attention to with one’s eyes. | An attempt to retrieve data. |
Letter map: look vs lookup
Shared letters muted; letters that set look and lookup apart highlighted. Shared run: 4. look runs 4 letters (CVVC) against lookup's 6 (CVVCVC) - the length gap alone is often enough to separate them once you know to check it.
Part-of-speech tell for look / lookup
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: look is averb and lookupanoun. On the page they differ by 2 extra letter(s) - “look” sits inside “lookup”. Our composite confusion score for this pair is 34727, derived from the frequency rank of both members and their visual similarity.
look is recorded at frequency rank #151, classified as averb, pronounced /lʊk/. lookup is at rank #34,576, tagged as anoun.
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 34727, this pair ranks #318,234 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of look vs lookup
Shared letters: klo. Private to "look": -. Private to "lookup": pu.
"look" · 4 letters · shape CVVC · "lookup" · 6 letters · shape CVVCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "look" for "lookup" ever safe?
In ordinary English text, does "look" or "lookup" show up more?
Useful next steps
Pair "look" vs "lookup" is on the table, pick a follow-up below.
- Full dictionary entry for "look" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "lookup" - compare definitions side by side with the headword page. Word entry
- This pair ranks #318,234 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "look" and "lookup" also get mixed up with nearby pairs, the highest-scored neighbour is "lockup vs lookup". 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 #318,234 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.