frontier

/ˈfɹʌntɪə/

//ˈfɹʌntɪə// noun

By · According to Wiktionary data (CC BY-SA) ·

"frontier" is a 8-letter English headword indexed on PlainSpell.

The verdict

“frontier” has 12 generated spelling variants in the English index at frequency #7,449. The variants make it a useful spelling check.

#7,449
frequency rank, English
2,507
“F” headwords
12
tracked misspellings
2
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The part of a country which borders or faces another country or unsettled region.

Corpus desk

Index EN-frontier · frontier · English

frontier · rank #7,449 · 12 variants · 2 confusables

  • FREQ-COMMON #7,449
  • LEN-LONG 8 letters
  • VOW-3 3 vowels
  • CONFUS-LOW 2 pairs
  • VAR-MID 12 variants
  • BOOK-MID 2,507
  • PHOTO-FINISH foundations

Nearest frequency peer: foundations (-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 “frontier”

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

corpus weight

What this shows “frontier” 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).

frontier vs fronting
75% similar
frontier vs fronted
75% similar

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

Key facts for frontier
PropertyValue
Headwordfrontier
LanguageEnglish
Part of speechNoun
IPA/ˈfɹʌntɪə/
Letters8
Frequency rank#7,449
Misspellings tracked12
Confusable pairs2
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “frontier”

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).frontierlands here:

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

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Same rarity band neighbours include “foundations” (#7,448), “frustrating” (#7,450), “fortunately” (#7,447). Among 2,507 “F” headwords, “frontier” is #7,449. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 12 spelling variants around frontier (IPA /ˈfɹʌntɪə/), anoun. Corpus frequency is #7,449 among 2,507 “F” headwords. Wiktionary lists 3 senses, so context still picks the gloss.

Our generated misspelling index lists 12 likely wrong-spelling variants for frontier, with forms such as "ffrontier", "forntier", and "frnotier". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 2 confusable-pair relationships, "fronting", "fronted", since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: From Middle English frounter, from Old French fronter (whence Modern French frontière), from front. The correct English form is frontier, spelled F-R-O-N-T-I-E-R.

Definition

  1. 1
    The part of a country which borders or faces another country or unsettled region.
  2. 2
    The most advanced or recent version of something; the leading edge.
  3. 3
    An outwork of a fortification.

Recorded use

Wiktionary examples

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

  1. the frontier of civilization
  2. There were not many passengers, and the journey was uneventful until the frontier was reached at Padang Besar, although an armed escort of Malay police accompanied the train from Alor Star.

Etymology

From Middle English frounter, from Old French fronter (whence Modern French frontière), from front.

This word in other languages

frontera(Español)frontière(Français)Grenzgebiet(Deutsch)fronteira(Português)

Common misspellings

Also misspelled as:

  • ffrontier
  • forntier
  • frnotier
  • froniter
  • fronntier
  • fronteir
  • frontierr
  • frontire
  • fronttier
  • frotnier
  • frrontier
  • rfontier

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of frontier - 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.

ffrontier1forntier2frnotier2froniter2fronntier1fronteir2frontierr1frontire2
Edit distance from "frontier"

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 "frontier"?
"frontier" is spelled F-R-O-N-T-I-E-R. The IPA pronunciation is /ˈfɹʌntɪə/.
What does "frontier" mean?
As a noun, "frontier" means: The part of a country which borders or faces another country or unsettled region.
What words are commonly confused with "frontier"?
"frontier" is commonly confused with "fronting", "fronted". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "frontier"?
The IPA (International Phonetic Alphabet) transcription for "frontier" is /ˈfɹʌntɪə/. 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 "frontier"?
From Middle English frounter, from Old French fronter (whence Modern French frontière), from front. 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 "frontier", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 8 letters (nearest by frequency rank).

flooding#7,445hardcore#7,457headache#7,459Hispanic#7,461

Similar misspelling depth

Headwords with a similar count of attested misspellings (12 here; floor ≥5).

Brisbane12 variantsbachelor12 variantsscattered12 variantssearched12 variants

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

Source: FrequencyWords open word-frequency list