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. |
Where the spellings diverge
Shared letters are muted; the letters that actually set look and lookup apart are highlighted. They share 4 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
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
Frequency comparison
Frequently Asked Questions
Can "look" and "lookup" be used interchangeably?
Which is more common, "look" or "lookup"?
Remembering look vs lookup
The fastest way to pick the right one every time.
- Check the role first: if you need a verb, it's “look”; for a noun, it's “lookup”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “look” entry
- Browse more pairs most likely to be confused. Most confusable