IslamvsisolarWhich spelling fits?

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

Which to use

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

#24,370
“Islam” frequency rank
#14,628
“isolar” frequency rank
38998
confusion score

Side-by-Side Comparison

Feature Islam isolar
Definition islã separar de outros; deixar só, solitário

Where the eye mixes Islam and isolar

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

5 ch
Islam
6 ch
isolar

Why the eye confuses Islam with isolar

These two trip readers on the page rather than in the ear: Islam is /ɪsˈlaːm/ ouvir^(fonte ?) while isolar is /i.zu.ˈlaɾ/. 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 (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 38998, derived from the frequency rank of both members and their visual similarity.

Islam is recorded at frequency rank #24,370, classified as anoun, pronounced /ɪsˈlaːm/ ouvir^(fonte ?). isolar is at rank #14,628, tagged as averb, pronounced /i.zu.ˈlaɾ/.

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 38998, this pair ranks #27,365 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Islam vs isolar

Shared letters: ails. Private to "Islam": m. Private to "isolar": or.

"Islam" · 5 letters · shape VCCVC  ·  "isolar" · 6 letters · shape VCVCVC

Known mistypes of this pair

  • Islamilsam · isalm · islamm · isllam · islma · isslam · silam
  • isolarioslar · isloar · isoalr · isolarr · isollar · isolra · issolar · siolar

Frequently Asked Questions

Do "Islam" and "isolar" mean the same thing in a sentence?
No - they are not even the same part of speech. "Islam" is a noun and "isolar" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Islam" or "isolar"?
"isolar" is the more common of the two: it sits at frequency rank #14,628 in our Portuguese list, against #24,370 for "Islam". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "Islam" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "isolar" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #27,365 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "Islam" and "isolar" also get mixed up with nearby pairs, the highest-scored neighbour is "Imam vs Islam". 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 #27,365 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