an vs and, What's the Difference?

Which to use

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

#2,817
“an” frequency rank: #303
“and” frequency rank: 3120
confusion score

Side-by-Side Comparison

Feature	an	and
Definition	ligado, aceso:	equivalente à conjunção e:

Where the eye mixes an and and

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

2 ch

3 ch

and

Visual trap between an and and

These two trip readers on the page rather than in the ear: an is /an/ while and is /ænd/, /ən(d)/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 extra letter(s) - “an” sits inside “and”, and the parts of speech differ too (adverb vs conjunction), which is usually the fastest check. Our composite confusion score for this pair is 3120, 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/. and is at rank #303, tagged as aconj, pronounced /ænd/, /ən(d)/.

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 3120, this pair ranks #72,081 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of an vs and

Shared letters: an. Private to "an": -. Private to "and": d.

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

Frequently Asked Questions

Do "an" and "and" mean the same thing in a sentence?

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

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

"and" is the more common of the two: it sits at frequency rank #303 in our Portuguese list, against #2,817 for "an". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "an" and "and" is sorted above. Next: full entries or other pairs that share a letter shape.

Full dictionary entry for "an" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "and" - compare definitions side by side with the headword page. Word entry
This pair ranks #72,081 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"an" and "and" also get mixed up with nearby pairs, the highest-scored neighbour is "acs vs an". Nearby pair

Confusion rank #72,081 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.