Which to use
“aspire” and “assure” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #15,572
- “aspire” frequency rank
- #6,438
- “assure” frequency rank
- 22010
- confusion score
Side-by-Side Comparison
| Feature | aspire | assure |
|---|---|---|
| Definition | To have a strong desire or ambition to achieve something. | To make sure and secure; ensure. |
Where the spellings diverge
Shared letters are muted; the letters that actually set aspire and assure apart are highlighted. They share 4 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
A purely visual mix-up. aspire (/əˈspaɪə(ɹ)/) and assure (/əˈʃɔː(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 22010, derived from the frequency rank of both members and their visual similarity.
aspire is recorded at frequency rank #15,572, classified as averb, pronounced /əˈspaɪə(ɹ)/. assure is at rank #6,438, tagged as averb, pronounced /əˈʃɔː(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 22010, this pair ranks #419,731 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of aspire vs assure
Shared letters: aers. Private to "aspire": ip. Private to "assure": u.
"aspire" · 6 letters · shape VCCVCV · "assure" · 6 letters · shape VCCVCV
Known mistypes of this pair
Frequency comparison
Frequently Asked Questions
Can "aspire" and "assure" be used interchangeably?
Which is more common, "aspire" or "assure"?
Remembering aspire vs assure
The fastest way to pick the right one every time.
- Read both glosses above and match the meaning you intend, only context separates this pair.
- See each word in full, definition, IPA, etymology and its other confusables. Full “aspire” entry
- Browse more pairs most likely to be confused. Most confusable