Formosa

/fɔːˈməʊ.sə/

//fɔːˈməʊ.sə// name

"formosa" is a 7-letter English headword indexed on PlainSpell.

The verdict

“Formosa” has 10 generated spelling variants in the English index at frequency #38,846. The variants make it a useful spelling check.

#38,846
frequency rank, English
2,507
“F” headwords
10
tracked misspellings
3
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Synonym of Taiwan: an island of East Asia.

Corpus desk

Index EN-formosa · Formosa · English

Formosa · rank #38,846 · 10 variants · 3 confusables

  • FREQ-MID #38,846
  • LEN-LONG 7 letters
  • VOW-3 3 vowels
  • CONFUS-LOW 3 pairs
  • VAR-MID 10 variants
  • BOOK-MID 2,507
  • PHOTO-FINISH foreshadowing

Nearest frequency peer: foreshadowing (-1 rank slots)

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Rank peers near misspelling magnet “Formosa”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “Formosa” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

Formosa vs forms
57% similar
Formosa vs formula
57% similar
Formosa vs foremost
63% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for Formosa
PropertyValue
HeadwordFormosa
LanguageEnglish
Part of speechProper noun
IPA/fɔːˈməʊ.sə/
Letters7
Frequency rank#38,846
Misspellings tracked10
Confusable pairs3
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “Formosa”

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).Formosalands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Same rarity band neighbours include “foreshadowing” (#38,845), “fortnightly” (#38,847), “foregone” (#38,843). Among 2,507 “F” headwords, “Formosa” is #38,846. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 10 spelling variants around Formosa (IPA /fɔːˈməʊ.sə/), aproper noun. Corpus frequency is #38,846 among 2,507 “F” headwords. Wiktionary lists 8 senses, so context still picks the gloss.

Our generated misspelling index lists 10 likely wrong-spelling variants for Formosa, with forms such as "fformosa", "fomrosa", and "formmosa". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. It also participates in 3 confusable-pair relationships, "forms", "formula", "foremost", a pairing that trips writers up because the two words share enough sound or shape to blur together.

Etymologically, the entry records: From Portuguese Formosa, as in Ilha Formosa (literally “Beautiful Island”) and Vila Formosa da Imperatriz (literally “Beautiful Town of the Empress”), from formosa (“beautiful, shapely”), from Latin fōrmōsus (“beautiful, well-formed”), from fōrma (“shape”) … The correct English form is Formosa, spelled F-O-R-M-O-S-A.

Definition

  1. 1
    Synonym of Taiwan: an island of East Asia.
  2. 2
    Synonym of Taiwan: an administrative division including Formosa and nearby islands.
  3. 3
    Synonym of Taiwan: an administrative division including Formosa and nearby islands.
  4. 4
    Synonym of Taiwan: an administrative division including Formosa and nearby islands.
  5. 5
    Synonym of Taiwan: an administrative division including Formosa and nearby islands.
  6. 6
    Synonym of Taiwan: an administrative division including Formosa and nearby islands.
  7. 7
    A city in Goiás, Brazil.
  8. 8
    An island of the Bissagos Islands, Guinea-Bissau.

Recorded use

Wiktionary examples

These source excerpts show how Formosa appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Heere we had the higheſt Land of Formoſa, South-eaſt, the neereſt land about eight leagues off, the neather point of it Eaſt by North ten leagues off our depth, fortie ſixe fathomes ozie : the latitude twentie fiue degree twentie minutes. From the high Land of Formoſa, ſtretcheth out a lower Land to the water-ſide, being a white ſandy ſhoare, and ſmooth ſ…
  2. The Iſland Formoſa, or the fair Iſland doth alſo belong to this Province ; as likewiſe the near adjacent Iſland called Teiwan, which the Hollanders poſſeſs, who have built a Fort there called new Zealand.

Etymology

From Portuguese Formosa, as in Ilha Formosa (literally “Beautiful Island”) and Vila Formosa da Imperatriz (literally “Beautiful Town of the Empress”), from formosa (“beautiful, shapely”), from Latin fōrmōsus (“beautiful, well-formed”), from fōrma (“shape”) + -ōsus (“-ful”), literally “shapeful”. The Brazilian city was named in honor of Empress Teresa Cristina, in the 1840s.

Common misspellings

Also misspelled as:

  • fformosa
  • fomrosa
  • formmosa
  • formoas
  • formossa
  • formsoa
  • foromsa
  • forrmosa
  • fromosa
  • ofrmosa

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of Formosa - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

fformosa1fomrosa2formmosa1formoas2formossa1formsoa2foromsa2forrmosa1
Edit distance from "Formosa"

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "Formosa"?
"Formosa" is spelled F-O-R-M-O-S-A. The IPA pronunciation is /fɔːˈməʊ.sə/.
What does "Formosa" mean?
As a proper noun, "Formosa" means: Synonym of Taiwan: an island of East Asia.
What words are commonly confused with "Formosa"?
"Formosa" is commonly confused with "forms", "formula", "foremost". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "Formosa"?
The IPA (International Phonetic Alphabet) transcription for "Formosa" is /fɔːˈməʊ.sə/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "Formosa"?
From Portuguese Formosa, as in Ilha Formosa (literally “Beautiful Island”) and Vila Formosa da Imperatriz (literally “Beautiful Town of the Empress”), from formosa (“beautiful, shapely”), from Latin fōrmōsus (“beautiful, well-formed”), from fōrma ... See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "Formosa", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 7 letters (nearest by frequency rank).

Similar misspelling depth

Headwords with a similar count of attested misspellings (10 here; floor ≥5).

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

Source: FrequencyWords open word-frequency list