Which to use
“costos” and “custom” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #3,038
- “costos” frequency rank
- #35,445
- “custom” frequency rank
- 38483
- confusion score
Side-by-Side Comparison
| Feature | costos | custom |
|---|---|---|
| Definition | Forma del plural de costo. | Costumbre. |
Where the eye mixes costos and custom
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Visual trap between costos and custom
A purely visual mix-up. costos ([ˈkost̪os]) and custom (/ˈkʌs.təm/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 38483, derived from the frequency rank of both members and their visual similarity.
costos is recorded at frequency rank #3,038, classified as anoun, pronounced [ˈkost̪os]. custom is at rank #35,445, tagged as anoun, pronounced /ˈkʌs.təm/.
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 38483, this pair ranks #169,777 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of costos vs custom
Shared letters: cost. Private to "costos": -. Private to "custom": mu.
"costos" · 6 letters · shape CVCCVC · "custom" · 6 letters · shape CVCCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "costos" for "custom" ever safe?
Frequency check: "costos" vs "custom" - which ranks higher?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "costos" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "custom" - compare definitions side by side with the headword page. Word entry
- This pair ranks #169,777 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "costos" and "custom" also get mixed up with nearby pairs, the highest-scored neighbour is "casto vs custom". 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 #169,777 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.