afivsamWhat's the difference?

Quick tell: afi is a noun, am is an article, so they fill different roles in a sentence.

Which to use

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

#41,804
“afi” frequency rank
#2,705
“am” frequency rank
44509
confusion score

Side-by-Side Comparison

Feature afi am
Definition avô. o / a usado com substantivos masculinos no caso nominativo singular quando a palavra começar com as letra b, f, m, p

Letter map: afi vs am

Shared letters muted; letters that set afi and am apart highlighted. Shared run: 1.

3 ch
afi
2 ch
am

Part-of-speech tell for afi / am

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: afi is anoun and amanarticle. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 44509, derived from the frequency rank of both members and their visual similarity.

afi is recorded at frequency rank #41,804, classified as anoun, pronounced [ˈaːvɪ], Plural: [ˈaːvar̥]. am is at rank #2,705, tagged as anarticle.

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 44509, this pair ranks #20,964 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of afi vs am

Shared letters: a. Private to "afi": fi. Private to "am": m.

"afi" · 3 letters · shape VCV  ·  "am" · 2 letters · shape VC

Frequently Asked Questions

Is swapping "afi" for "am" ever safe?
No - they are not even the same part of speech. "afi" is a noun and "am" an article, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "afi" vs "am" - which ranks higher?
"am" is the more common of the two: it sits at frequency rank #2,705 in our Portuguese list, against #41,804 for "afi". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pair "afi" vs "am" is on the table, pick a follow-up below.

  • Full dictionary entry for "afi" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "am" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #20,964 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "afi" and "am" also get mixed up with nearby pairs, the highest-scored neighbour is "acs vs afi". Nearby pair

Confusion rank #20,964 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list