Which to use
“base” is a noun and “biased” is an adjective - they look or sound alike but fill different roles in a sentence.
- #942
- “base” frequency rank
- #10,167
- “biased” frequency rank
- 11109
- confusion score
Side-by-Side Comparison
| Feature | base | biased |
|---|---|---|
| Definition | Something from which other things extend; a foundation. | Exhibiting bias; prejudiced. |
Where the eye mixes base and biased
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Look-alike desk: base vs biased
These two trip readers on the page rather than in the ear: base is /beɪs/ while biased is /ˈbaɪəst/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 11109, derived from the frequency rank of both members and their visual similarity.
base is recorded at frequency rank #942, classified as anoun, pronounced /beɪs/. biased is at rank #10,167, tagged as anadj, pronounced /ˈbaɪəst/.
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 11109, this pair ranks #488,841 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of base vs biased
Shared letters: abes. Private to "base": -. Private to "biased": di.
"base" · 4 letters · shape CVCV · "biased" · 6 letters · shape CVVCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "base" for "biased" ever safe?
In ordinary English text, does "base" or "biased" show up more?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "base" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "biased" - compare definitions side by side with the headword page. Word entry
- This pair ranks #488,841 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "base" and "biased" also get mixed up with nearby pairs, the highest-scored neighbour is "biased vs braved". 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 #488,841 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.