Which to use
“def” is an adjective and “dell” is a noun - they look or sound alike but fill different roles in a sentence.
- #32,132
- “def” frequency rank
- #19,394
- “dell” frequency rank
- 51526
- confusion score
Side-by-Side Comparison
| Feature | def | dell |
|---|---|---|
| Definition | algo muito bom | vale |
Where the eye mixes def and dell
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Look-alike desk: def vs dell
These two trip readers on the page rather than in the ear: def is /dɛf/ while dell is /dɛl/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 51526, derived from the frequency rank of both members and their visual similarity.
def is recorded at frequency rank #32,132, classified as anadj, pronounced /dɛf/. dell is at rank #19,394, tagged as anoun, pronounced /dɛl/.
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 51526, this pair ranks #13,531 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of def vs dell
Shared letters: de. Private to "def": f. Private to "dell": l.
"def" · 3 letters · shape CVC · "dell" · 4 letters · shape CVCC
Known mistypes of this pair
- dell ← ddell · dlel · edll
Frequently Asked Questions
Is swapping "def" for "dell" ever safe?
Frequency check: "def" vs "dell" - which ranks higher?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "def" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "dell" - compare definitions side by side with the headword page. Word entry
- This pair ranks #13,531 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "def" and "dell" also get mixed up with nearby pairs, the highest-scored neighbour is "dat vs def". 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 #13,531 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.