radiationvsradiatorWhat's the difference?

Which to use

“radiation” and “radiator” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#4,552
“radiation” frequency rank
#18,670
“radiator” frequency rank
23222
confusion score

Side-by-Side Comparison

Feature radiation radiator
Definition The shooting forth of anything from a point or surface, like diverging rays of light. Anything which radiates or emits rays.

Where the eye mixes radiation and radiator

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence.

9 ch
radiation
8 ch
radiator

Spelling & Dictionary Insight

A purely visual mix-up. radiation (/ˌɹeɪ.diˈeɪ.ʃən/) and radiator (/ˈrædɪeɪ̯tə/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 23222, derived from the frequency rank of both members and their visual similarity.

radiation is recorded at frequency rank #4,552, classified as anoun, pronounced /ˌɹeɪ.diˈeɪ.ʃən/. radiator is at rank #18,670, tagged as anoun, pronounced /ˈrædɪeɪ̯tə/.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 23222, this pair ranks #410,833 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of radiation vs radiator

Shared letters: adiort. Private to "radiation": n. Private to "radiator": -.

"radiation" · 9 letters · shape CVCVVCVVC  ·  "radiator" · 8 letters · shape CVCVVCVC

Known mistypes of this pair

  • radiationardiation · radaition · raddiation · radiaiton · radiasion · radiatino · radiationn · radiatoin
  • radiatorardiator · radaitor · raddiator · radiaotr · radiatorr · radiatro · radiattor · raditaor

Frequently Asked Questions

Can "radiation" and "radiator" be used interchangeably?
No. They are said differently (/ˌɹeɪ.diˈeɪ.ʃən/ versus /ˈrædɪeɪ̯tə/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "radiation" or "radiator"?
"radiation" is the more common of the two: it sits at frequency rank #4,552 in our English list, against #18,670 for "radiator". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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

Source: FrequencyWords open word-frequency list