Which to use
“adder” and “auger” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #41,977
- “adder” frequency rank
- #38,293
- “auger” frequency rank
- 80270
- confusion score
Side-by-Side Comparison
| Feature | adder | auger |
|---|---|---|
| Definition | Any snake. | A carpenter's tool for boring holes longer than those bored by a gimlet. |
Where the eye mixes adder and auger
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Look-alike desk: adder vs auger
A purely visual mix-up. adder (/ˈædɚ/) and auger (/ˈɔː.ɡə(ɹ)/) 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 80270, derived from the frequency rank of both members and their visual similarity.
adder is recorded at frequency rank #41,977, classified as anoun, pronounced /ˈædɚ/. auger is at rank #38,293, tagged as anoun, pronounced /ˈɔː.ɡə(ɹ)/.
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 80270, this pair ranks #20,168 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of adder vs auger
Shared letters: aer. Private to "adder": d. Private to "auger": gu.
"adder" · 5 letters · shape VCCVC · "auger" · 5 letters · shape VVCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "adder" for "auger" ever safe?
In ordinary English text, does "adder" or "auger" show up more?
What to do next
Eye-level mix-up between "adder" and "auger" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "adder" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "auger" - compare definitions side by side with the headword page. Word entry
- This pair ranks #20,168 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "adder" and "auger" also get mixed up with nearby pairs, the highest-scored neighbour is "adder vs adverb". 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 #20,168 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.