errandvsexpandWhat's the difference?

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

Which to use

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

#27,137
“errand” frequency rank
#3,944
“expand” frequency rank
31081
confusion score

Side-by-Side Comparison

Feature errand expand
Definition A journey undertaken to accomplish some task. To change (something) from a smaller form or size to a larger one; to spread out or lay open.

Where the eye mixes errand and expand

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. errand and expand follow the identical consonant-vowel pattern (VCCVCC). Same shape at a glance is often the real trap, independent of shared letters.

6 ch
errand
6 ch
expand

Look-alike desk: errand vs expand

These two trip readers on the page rather than in the ear: errand is /ˈɛɹənd/ while expand is /ɪkˈspænd/. 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 (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 31081, derived from the frequency rank of both members and their visual similarity.

errand is recorded at frequency rank #27,137, classified as anoun, pronounced /ˈɛɹənd/. expand is at rank #3,944, tagged as averb, pronounced /ɪkˈspænd/.

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 31081, this pair ranks #349,156 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of errand vs expand

Shared letters: aden. Private to "errand": r. Private to "expand": px.

"errand" · 6 letters · shape VCCVCC  ·  "expand" · 6 letters · shape VCCVCC

Known mistypes of this pair

  • errand ← erand · erarnd · erradn · errandd · errannd · errnad · rerand
  • expand ← epxand · exapnd · expadn · expandd · expannd · expnad · exppand · exxpand

Frequently Asked Questions

Can "errand" and "expand" be used interchangeably?
No - they are not even the same part of speech. "errand" is a noun and "expand" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "errand" or "expand"?
"expand" is the more common of the two: it sits at frequency rank #3,944 in our English list, against #27,137 for "errand". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "errand" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "expand" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #349,156 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "errand" and "expand" also get mixed up with nearby pairs, the highest-scored neighbour is "errand vs erred". 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 #349,156 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list