radiate

/ˈɹeɪdieɪt/

//ˈɹeɪdieɪt// verb

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

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

The verdict

“radiate” has 9 generated spelling variants in the English index at frequency #30,557. The variants make it a useful spelling check.

#30,557
frequency rank, English
3,094
“R” headwords
9
tracked misspellings
4
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - To extend, send or spread out from a center like radii.

Corpus desk

Index EN-radiate · radiate · English

radiate · rank #30,557 · 9 variants · 4 confusables

  • FREQ-MID #30,557
  • LEN-LONG 7 letters
  • VOW-4 4 vowels
  • CONFUS-MID 4 pairs
  • VAR-MID 9 variants
  • BOOK-MID 3,094
  • PHOTO-FINISH Racine

Nearest frequency peer: Racine (-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 “radiate”

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

corpus weight

What this shows “radiate” 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).

radiate vs radiator
75% similar
radiate vs radial
71% similar
radiate vs radiant
71% similar

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

Key facts for radiate
PropertyValue
Headwordradiate
LanguageEnglish
Part of speechVerb
IPA/ˈɹeɪdieɪt/
Letters7
Frequency rank#30,557
Misspellings tracked9
Confusable pairs4
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “radiate”

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).radiatelands 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 “Racine” (#30,556), “pyjamas” (#30,554), “reaping” (#30,560). Among 3,094 “R” headwords, “radiate” is #30,557. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 9 spelling variants around radiate (IPA /ˈɹeɪdieɪt/), averb. Corpus frequency is #30,557 among 3,094 “R” headwords. Wiktionary lists 8 senses, so context still picks the gloss.

Our generated misspelling index lists 9 likely wrong-spelling variants for radiate, with forms such as "ardiate", "radaite", and "raddiate". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. It also participates in 4 confusable-pair relationships, "radiator", "radial", "radiant", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.

Etymologically, the entry records: Learned borrowing from Latin radiātus, perfect passive participle of radiō (“to radiate, furnish with spokes, give out rays, radiate, shine”) (see -ate (verb-forming suffix)), from radius (“a spoke, ray”). The correct English form is radiate, spelled R-A-D-I-A-T-E.

Definition

  1. 1
    To extend, send or spread out from a center like radii.
  2. 2
    To emit rays or waves.
  3. 3
    To come out or proceed in rays or waves.
  4. 4
    To illuminate.
  5. 5
    To expose to ionizing radiation, such as by radiography.
  6. 6
    To manifest oneself in a glowing manner.
  7. 7
    To spread into new habitats, migrate.
  8. 8
    To broadcast by radio.

Recorded use

Wiktionary examples

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

  1. Crewe North Motive Power Depot is to be modernised completely. This includes the provision of a new coaling plant, ash handling plant, and two new locomotive sheds of the latest roundhouse type, each with 32 roads radiating from a 70-ft. dia. turntable.
  2. Oban is not a terminus; its routes radiate by sea, rail and road.

Etymology

Learned borrowing from Latin radiātus, perfect passive participle of radiō (“to radiate, furnish with spokes, give out rays, radiate, shine”) (see -ate (verb-forming suffix)), from radius (“a spoke, ray”).

Synonyms

irradiate

This word in other languages

strahlen(Deutsch)

Common misspellings

Also misspelled as:

  • ardiate
  • radaite
  • raddiate
  • radiaet
  • radiatte
  • raditae
  • raidate
  • rdaiate
  • rradiate

Misspelling Pattern Breakdown

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

ardiate2radaite2raddiate1radiaet2radiatte1raditae2raidate2rdaiate2
Edit distance from "radiate"

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 "radiate"?
"radiate" is spelled R-A-D-I-A-T-E. The IPA pronunciation is /ˈɹeɪdieɪt/.
What does "radiate" mean?
As a verb, "radiate" means: To extend, send or spread out from a center like radii.
What words are commonly confused with "radiate"?
"radiate" is commonly confused with "radiator", "radial", "radiant". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "radiate"?
The IPA (International Phonetic Alphabet) transcription for "radiate" is /ˈɹeɪdieɪt/. 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 "radiate"?
Learned borrowing from Latin radiātus, perfect passive participle of radiō (“to radiate, furnish with spokes, give out rays, radiate, shine”) (see -ate (verb-forming suffix)), from radius (“a spoke, ray”). 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 "radiate", not the corpus desk frequency band.

Same letter count

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

pyjamas#30,554reaping#30,560profane#30,548reprise#30,566

Similar misspelling depth

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

rectum9 variantspeeking9 variantssodomy9 variantsnaught9 variants

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

Source: FrequencyWords open word-frequency list