def vs del, What's the Difference?

Which to use

“def” is an abbrev and “del” is a contraction - they look or sound alike but fill different roles in a sentence.

#27,562
“def” frequency rank: #14
“del” frequency rank: 27576
confusion score

Side-by-Side Comparison

Feature	def	del
Definition	Abreviatura de deficit.	Contracción de la preposición de y el artículo el.

Where the eye mixes def and del

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch

def

3 ch

del

Look-alike desk: def vs del

These two trip readers on the page rather than in the ear: def is /dɛf/ while del is [d̪el]. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - f in “def” becomes l in “del”, and the parts of speech differ too (abbrev vs contraction), which is usually the fastest check. Our composite confusion score for this pair is 27576, derived from the frequency rank of both members and their visual similarity.

def is recorded at frequency rank #27,562, classified as anabbrev, pronounced /dɛf/. del is at rank #14, tagged as acontraction, pronounced [d̪el].

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 27576, this pair ranks #226,147 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of def vs del

Shared letters: de. Private to "def": f. Private to "del": l.

"def" · 3 letters · shape CVC · "del" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "def" for "del" ever safe?

No - they are not even the same part of speech. "def" is an abbrev and "del" a contraction, so a sentence built for one is usually ungrammatical with the other.

Frequency check: "def" vs "del" - which ranks higher?

"del" is the more common of the two: it sits at frequency rank #14 in our Spanish list, against #27,562 for "def". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Eye-level mix-up between "def" and "del" is sorted above. Next: full entries or other pairs that share a letter shape.

Full dictionary entry for "def" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "del" - compare definitions side by side with the headword page. Word entry
This pair ranks #226,147 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
"def" and "del" also get mixed up with nearby pairs, the highest-scored neighbour is "def vs Deva". Nearby pair

Confusion rank #226,147 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.