Which to use
“tacks” and “taxis” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #43,952
- “tacks” frequency rank
- #16,366
- “taxis” frequency rank
- 60318
- confusion score
Side-by-Side Comparison
| Feature | tacks | taxis |
|---|---|---|
| Definition | plural of tack | The directional movement of an organism in response to a stimulus. |
Where the eye mixes tacks and taxis
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. tacks (CVCCC) and taxis (CVCVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Visual trap between tacks and taxis
A purely visual mix-up. tacks (/tæks/) and taxis (/ˈtæksɪs/) 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 60318, derived from the frequency rank of both members and their visual similarity.
tacks is recorded at frequency rank #43,952, classified as anoun, pronounced /tæks/. taxis is at rank #16,366, tagged as anoun, pronounced /ˈtæksɪs/.
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 60318, this pair ranks #100,854 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of tacks vs taxis
Shared letters: ast. Private to "tacks": ck. Private to "taxis": ix.
"tacks" · 5 letters · shape CVCCC · "taxis" · 5 letters · shape CVCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "tacks" for "taxis" ever safe?
Frequency check: "tacks" vs "taxis" - which ranks higher?
After this comparison
Eye-level mix-up between "tacks" and "taxis" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "tacks" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "taxis" - compare definitions side by side with the headword page. Word entry
- This pair ranks #100,854 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "tacks" and "taxis" also get mixed up with nearby pairs, the highest-scored neighbour is "tacks vs tass". 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 #100,854 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.