inform

/ɪnˈfɔɹm/

//ɪnˈfɔɹm// verb

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

"inform" is a 6-letter English headword indexed on PlainSpell.

The verdict

“inform” has 9 generated spelling variants in the English index at frequency #5,603. The variants make it a useful spelling check.

#5,603
frequency rank, English
2,140
“I” headwords
9
tracked misspellings
8
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - To instruct, train (usually in matters of knowledge).

Corpus desk

Index EN-inform · inform · English

inform · rank #5,603 · 9 variants · 8 confusables

  • FREQ-COMMON #5,603
  • LEN-LONG 6 letters
  • VOW-2 2 vowels
  • CONFUS-MID 8 pairs
  • VAR-MID 9 variants
  • BOOK-MID 2,140
  • PHOTO-FINISH incidents

Nearest frequency peer: incidents (-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 “inform”

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

corpus weight

What this shows “inform” 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).

inform vs infra
67% similar
inform vs informed
75% similar
inform vs informal
75% similar

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

Key facts for inform
PropertyValue
Headwordinform
LanguageEnglish
Part of speechVerb
IPA/ɪnˈfɔɹm/
Letters6
Frequency rank#5,603
Misspellings tracked9
Confusable pairs8
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “inform”

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).informlands here:

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

Scale is logarithmic (each tick is 10× rarer). Same rarity band neighbours include “incidents” (#5,602), “ion” (#5,604), “hates” (#5,601). Among 2,140 “I” headwords, “inform” is #5,603. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 9 spelling variants around inform (IPA /ɪnˈfɔɹm/), averb. Corpus frequency is #5,603 among 2,140 “I” headwords. Wiktionary lists 8 senses, so context still picks the gloss.

Our generated misspelling index lists 9 likely wrong-spelling variants for inform, with forms such as "ifnorm", "infform", and "infomr". 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 8 confusable-pair relationships, "infra", "informed", "informal", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.

Etymologically, the entry records: From Middle English informen, enformen, borrowed from Old French enformer, informer (“to train, instruct, inform”), from Latin īnfōrmō (“to shape, form, train, instruct, educate”), from in- (“into”) + fōrma (“form, shape”), equivalent to in- + form. The correct English form is inform, spelled I-N-F-O-R-M.

Definition

  1. 1
    To instruct, train (usually in matters of knowledge).
  2. 2
    To communicate knowledge to.
  3. 3
    To impart information or knowledge.
  4. 4
    To act as an informer; denounce.
  5. 5
    To give form or character to; to inspire (with a given quality); to affect, influence (with a pervading principle, idea etc.).
  6. 6
    To make known, wisely and/or knowledgeably.
  7. 7
    To direct, guide.
  8. 8
    To take form; to become visible or manifest; to appear.

Recorded use

Wiktionary examples

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

  1. For he would learn their business secretly, / And then inform his master hastily.
  2. I am informed thoroughly of the cause.

Etymology

From Middle English informen, enformen, borrowed from Old French enformer, informer (“to train, instruct, inform”), from Latin īnfōrmō (“to shape, form, train, instruct, educate”), from in- (“into”) + fōrma (“form, shape”), equivalent to in- + form.

Synonyms

acquaintapprisenotifydobname namespeachsnitchmaterializetake shapeadvisediscussenlightenimpartinformkeep informedlet knowtell

Antonyms

encryptdisinformmisguidemisinformmisleadwithhold

This word in other languages

informar(Español)informer(Français)informieren(Deutsch)informar(Português)

Common misspellings

Also misspelled as:

  • ifnorm
  • infform
  • infomr
  • informm
  • inforrm
  • infrom
  • innform
  • inofrm
  • niform

Misspelling Pattern Breakdown

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

ifnorm2infform1infomr2informm1inforrm1infrom2innform1inofrm2
Edit distance from "inform"

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 "inform"?
"inform" is spelled I-N-F-O-R-M. The IPA pronunciation is /ɪnˈfɔɹm/.
What does "inform" mean?
As a verb, "inform" means: To instruct, train (usually in matters of knowledge).
What words are commonly confused with "inform"?
"inform" is commonly confused with "infra", "informed", "informal". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "inform"?
The IPA (International Phonetic Alphabet) transcription for "inform" is /ɪnˈfɔɹm/. 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 "inform"?
From Middle English informen, enformen, borrowed from Old French enformer, informer (“to train, instruct, inform”), from Latin īnfōrmō (“to shape, form, train, instruct, educate”), from in- (“into”) + fōrma (“form, shape”), equivalent to in- + form. 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 "inform", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 6 letters (nearest by frequency rank).

Jeremy#5,605Harvey#5,600harbor#5,599lovers#5,607

Similar misspelling depth

Headwords with a similar count of attested misspellings (9 here; floor ≥5).

finest9 variantsfarmer9 variantsminded9 variantsNorway9 variants

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

Source: FrequencyWords open word-frequency list