an vs ash, What's the Difference?

Which to use

“an” is an adverb and “ash” is a noun - they look or sound alike but fill different roles in a sentence.

#2,817
“an” frequency rank: #11,803
“ash” frequency rank: 14620
confusion score

Side-by-Side Comparison

Feature	an	ash
Definition	ligado, aceso:	cinza

Where the eye mixes an and ash

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

2 ch

3 ch

ash

Visual trap between an and ash

These two trip readers on the page rather than in the ear: an is /an/ while ash is /æʃ/. 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 (adverb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 14620, derived from the frequency rank of both members and their visual similarity.

an is recorded at frequency rank #2,817, classified as anadv, pronounced /an/. ash is at rank #11,803, tagged as anoun, pronounced /æʃ/.

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 14620, this pair ranks #57,406 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of an vs ash

Shared letters: a. Private to "an": n. Private to "ash": hs.

"an" · 2 letters · shape VC · "ash" · 3 letters · shape VCC

Frequently Asked Questions

Is swapping "an" for "ash" ever safe?

No - they are not even the same part of speech. "an" is an adverb and "ash" a noun, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "an" or "ash"?

"an" is the more common of the two: it sits at frequency rank #2,817 in our Portuguese list, against #11,803 for "ash". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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 "an" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "ash" - compare definitions side by side with the headword page. Word entry
This pair ranks #57,406 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"an" and "ash" also get mixed up with nearby pairs, the highest-scored neighbour is "acs vs ash". Nearby pair

Confusion rank #57,406 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.