Which to use
“absurd” is an adjective and “assure” is a verb - they look or sound alike but fill different roles in a sentence.
- #7,639
- “absurd” frequency rank
- #6,438
- “assure” frequency rank
- 14077
- confusion score
Side-by-Side Comparison
| Feature | absurd | assure |
|---|---|---|
| Definition | Contrary to reason or propriety; obviously and flatly opposed to manifest truth; inconsistent with the plain dictates of common sense; logically contradictory; nonsensical; ridiculous; silly. | To make sure and secure; ensure. |
Where the spellings diverge
Shared letters are muted; the letters that actually set absurd and assure apart are highlighted. They share 4 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
These two trip readers on the page rather than in the ear: absurd is /əbˈsɜːd/ while assure is /əˈʃɔː(ɹ)/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (adjective vs verb), which is usually the fastest check. Our composite confusion score for this pair is 14077, derived from the frequency rank of both members and their visual similarity.
absurd is recorded at frequency rank #7,639, classified as anadj, pronounced /əbˈsɜːd/. 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 14077, this pair ranks #472,178 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of absurd vs assure
Shared letters: arsu. Private to "absurd": bd. Private to "assure": e.
"absurd" · 6 letters · shape VCCVCC · "assure" · 6 letters · shape VCCVCV
Known mistypes of this pair
Frequency comparison
Frequently Asked Questions
Can "absurd" and "assure" be used interchangeably?
Which is more common, "absurd" or "assure"?
Remembering absurd vs assure
The fastest way to pick the right one every time.
- Check the role first: if you need an adjective, it's “absurd”; for a verb, it's “assure”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “absurd” entry
- Browse more pairs most likely to be confused. Most confusable