assurevsazureWhat's the difference?

Quick tell: assure is a verb, azure is a noun, so they fill different roles in a sentence.

Which to use

“assure” is a verb and “azure” is a noun - they look or sound alike but fill different roles in a sentence.

#6,438
“assure” frequency rank
#18,245
“azure” frequency rank
24683
confusion score

Side-by-Side Comparison

Feature assure azure
Definition To make sure and secure; ensure. The clear blue colour of the sky; also, a pigment or dye of this colour.

Where the spellings diverge

Shared letters are muted; the letters that actually set assure and azure apart are highlighted. They share 4 letters in sequence, which is exactly why the eye skips the difference.

6 ch
assure
5 ch
azure

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: assure is /əˈʃɔː(ɹ)/ while azure is /ˈæʒə/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 24683, derived from the frequency rank of both members and their visual similarity.

assure is recorded at frequency rank #6,438, classified as averb, pronounced /əˈʃɔː(ɹ)/. azure is at rank #18,245, tagged as anoun, pronounced /ˈæʒə/.

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 24683, this pair ranks #400,156 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of assure vs azure

Shared letters: aeru. Private to "assure": s. Private to "azure": z.

"assure" · 6 letters · shape VCCVCV  ·  "azure" · 5 letters · shape VCVCV

Known mistypes of this pair

  • assureassrue · assuer · assurre · asure · asusre · sasure
  • azureauzre · azrue · azuer · azurre · azzure · zaure

Frequency comparison

assure#6,438
azure#18,245

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "assure" and "azure" be used interchangeably?
No - they are not even the same part of speech. "assure" is a verb and "azure" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "assure" or "azure"?
"assure" is the more common of the two: it sits at frequency rank #6,438 in our English list, against #18,245 for "azure". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering assure vs azure

The fastest way to pick the right one every time.

  • Check the role first: if you need a verb, it's “assure”; for a noun, it's “azure”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “assure” entry
  • Browse more pairs most likely to be confused. Most confusable

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list