fim vs fun, What's the Difference?

Which to use

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

#227
“fim” frequency rank: #16,068
“fun” frequency rank: 16295
confusion score

Side-by-Side Comparison

Feature	fim	fun
Definition	lugar ou tempo em que algo termina, final, antônimo de início	divertido

Letter map: fim vs fun

Shared letters muted; letters that set fim and fun apart highlighted. Shared run: 1.

3 ch

fim

3 ch

fun

Part-of-speech tell for fim / fun

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: fim is anoun and funanadjective. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 16295, derived from the frequency rank of both members and their visual similarity.

fim is recorded at frequency rank #227, classified as anoun. fun is at rank #16,068, tagged as anadj, pronounced /fʌn/.

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 16295, this pair ranks #55,278 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of fim vs fun

Shared letters: f. Private to "fim": im. Private to "fun": nu.

"fim" · 3 letters · shape CVC · "fun" · 3 letters · shape CVC

Frequently Asked Questions

Do "fim" and "fun" mean the same thing in a sentence?

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

Frequency check: "fim" vs "fun" - which ranks higher?

"fim" is the more common of the two: it sits at frequency rank #227 in our Portuguese list, against #16,068 for "fun". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pair "fim" vs "fun" is on the table, pick a follow-up below.

Full dictionary entry for "fim" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "fun" - compare definitions side by side with the headword page. Word entry
This pair ranks #55,278 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"fim" and "fun" also get mixed up with nearby pairs, the highest-scored neighbour is "fern vs fun". Nearby pair

Confusion rank #55,278 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.