Which to use
“interface” is a verb and “interfaces” is a noun - they look or sound alike but fill different roles in a sentence.
- #40,896
- “interface” frequency rank
- #30,528
- “interfaces” frequency rank
- 71424
- confusion score
Side-by-Side Comparison
| Feature | interface | interfaces |
|---|---|---|
| Definition | Primera persona del singular (yo) del presente de subjuntivo de interfazar. | Forma del plural de interfaz. |
Where the eye mixes interface and interfaces
Muted = shared; highlighted = the visual trap. They share 9 letters in sequence.
Visual trap between interface and interfaces
These two trip readers on the page rather than in the ear: interface is [ĩn̪t̪eɾˈfase] while interfaces is [ĩn̪t̪eɾˈfases]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 extra letter(s) - “interface” sits inside “interfaces”, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 71424, derived from the frequency rank of both members and their visual similarity.
interface is recorded at frequency rank #40,896, classified as averb, pronounced [ĩn̪t̪eɾˈfase]. interfaces is at rank #30,528, tagged as anoun, pronounced [ĩn̪t̪eɾˈfases].
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 71424, this pair ranks #27,554 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of interface vs interfaces
Shared letters: acefinrt. Private to "interface": -. Private to "interfaces": s.
"interface" · 9 letters · shape VCCVCCVCV · "interfaces" · 10 letters · shape VCCVCCVCVC
Known mistypes of this pair
- interface ← inetrface · innterface · intefrace · interafce · interfacce · interfaec · interfase · interfcae
- interfaces ← inetrfaces · innterfaces · intefraces · interafces · interfacces · interfacess · interfacse · interfaecs
Frequently Asked Questions
Is swapping "interface" for "interfaces" ever safe?
Which is more common, "interface" or "interfaces"?
After this comparison
Eye-level mix-up between "interface" and "interfaces" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "interface" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "interfaces" - compare definitions side by side with the headword page. Word entry
- This pair ranks #27,554 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "interface" and "interfaces" also get mixed up with nearby pairs, the highest-scored neighbour is "interface vs interfaz". 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 #27,554 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.