realm

/ɹɛlm/

//ɹɛlm// noun

"realm" is a 5-letter English headword indexed on PlainSpell.

The verdict

“realm” is a regularly-used English word, ranked #6,512 in English word frequency and used as a noun.

#6,512
frequency rank, English
5
letters
7
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A territory or state, as ruled by an absolute authority, especially by a king; a kingdom.

Visual similarity to commonly confused words

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

realm vs REM
0% similar
realm vs rel
60% similar
realm vs rear
60% similar

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

Key facts for realm
PropertyValue
Headwordrealm
LanguageEnglish
Part of speechNoun
IPA/ɹɛlm/
Letters5
Frequency rank#6,512
Misspellings tracked7
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “realm” sits in English frequency

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

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for realm is 5 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ɹɛlm/. Corpus data places it at rank #6,512 in overall English word frequency, indicating it appears regularly in written and spoken text. Wiktionary records 7 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 7 likely wrong-spelling variants for realm, with forms such as "eralm", "raelm", and "reallm". 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 20 confusable-pair relationships, "REM", "rel", "rear", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: From Middle English rewme, realme, reaume, from Old French reaume, realme, reialme (“kingdom”), of unclear origins. A postulated *rēgālimen (“domain, kingdom”), Late Latin or Vulgar Latin cross of regimen with rēgālis is usually cited. The modern spelling p… The correct English form is realm, spelled R-E-A-L-M.

Definition

  1. 1
    A territory or state, as ruled by an absolute authority, especially by a king; a kingdom.
  2. 2
    A territory or state, as ruled by an absolute authority, especially by a king; a kingdom.
  3. 3
    A territory or state, as ruled by an absolute authority, especially by a king; a kingdom.
  4. 4
    A sphere of knowledge or of influence; a domain.
  5. 5
    A primary zoogeographical division of the earth's surface.
  6. 6
    A taxonomic rank in the phylogeny of viruses, higher than kingdoms.
  7. 7
    A region or zone forming part of a cosmological system.

Etymology

From Middle English rewme, realme, reaume, from Old French reaume, realme, reialme (“kingdom”), of unclear origins. A postulated *rēgālimen (“domain, kingdom”), Late Latin or Vulgar Latin cross of regimen with rēgālis is usually cited. The modern spelling predominates from around 1600. The modern pronunciation with /l/ is either a spelling pronunciation or influenced by the etymology.

Synonyms

This word in other languages

Common misspellings

Also misspelled as: eralm,raelm,reallm,realmm,reaml,relam,rrealm

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of realm - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.

eralm2raelm2reallm1realmm1reaml2relam2rrealm1
Edit distance from "realm"

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 "realm"?
"realm" is spelled R-E-A-L-M. The IPA pronunciation is /ɹɛlm/.
What does "realm" mean?
As a noun, "realm" means: A territory or state, as ruled by an absolute authority, especially by a king; a kingdom.
What words are commonly confused with "realm"?
"realm" is commonly confused with "REM", "rel", "rear". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "realm"?
The IPA (International Phonetic Alphabet) transcription for "realm" is /ɹɛlm/. 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 "realm"?
From Middle English rewme, realme, reaume, from Old French reaume, realme, reialme (“kingdom”), of unclear origins. A postulated *rēgālimen (“domain, kingdom”), Late Latin or Vulgar Latin cross of regimen with rēgālis is usually cited. The modern ... 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.

Using “realm”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is R-E-A-L-M - every other letter order is a misspelling in standard orthography.
  • Say it as /ɹɛlm/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “REM” - see the side-by-side comparison. realm vs REM
  • Browse more English words and confusable pairs in the same reference. English words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list