Which to use
“hardened” and “hastened” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #14,555
- “hardened” frequency rank
- #40,279
- “hastened” frequency rank
- 54834
- confusion score
Side-by-Side Comparison
| Feature | hardened | hastened |
|---|---|---|
| Definition | simple past and past participle of harden | simple past and past participle of hasten |
Where the eye mixes hardened and hastened
Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. hardened and hastened follow the identical consonant-vowel pattern (CVCCVCVC). Same shape at a glance is often the real trap, independent of shared letters.
Look-alike desk: hardened vs hastened
A purely visual mix-up. hardened (/ˈhɑːdn̩d/) and hastened (/ˈheɪsn̩d/) 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 54834, derived from the frequency rank of both members and their visual similarity.
hardened is recorded at frequency rank #14,555, classified as averb, pronounced /ˈhɑːdn̩d/. hastened is at rank #40,279, tagged as averb, pronounced /ˈheɪsn̩d/.
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 54834, this pair ranks #138,129 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of hardened vs hastened
Shared letters: adehn. Private to "hardened": r. Private to "hastened": st.
"hardened" · 8 letters · shape CVCCVCVC · "hastened" · 8 letters · shape CVCCVCVC
Known mistypes of this pair
Frequently Asked Questions
Can "hardened" and "hastened" be used interchangeably?
Which is more common, "hardened" or "hastened"?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "hardened" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "hastened" - compare definitions side by side with the headword page. Word entry
- This pair ranks #138,129 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "hardened" and "hastened" also get mixed up with nearby pairs, the highest-scored neighbour is "hasten vs hastened". 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 #138,129 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.