modulationvsmodulatorConfusable pair

Which to use

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

#19,908
“modulation” frequency rank
#40,345
“modulator” frequency rank
60253
confusion score

Side-by-Side Comparison

Feature modulation modulator
Definition Modification or regulation of something to achieve an appropriate measure or proportion; (countable) an instance of this. A person who modulates.

Letter map: modulation vs modulator

Shared letters muted; letters that set modulation and modulator apart highlighted. Shared run: 8.

10 ch
modulation
9 ch
modulator

Pair insight - modulation / modulator

modulation and modulator are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 60253, derived from the frequency rank of both members and their visual similarity.

modulation is recorded at frequency rank #19,908, classified as anoun, pronounced /ˌmɒdjʊˈleɪʃn̩/. modulator is at rank #40,345, tagged as anoun.

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 60253, this pair ranks #101,286 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of modulation vs modulator

Shared letters: adlmotu. Private to "modulation": in. Private to "modulator": r.

"modulation" · 10 letters · shape CVCVCVCVVC  ·  "modulator" · 9 letters · shape CVCVCVCVC

Known mistypes of this pair

  • modulationmdoulation · mmodulation · moddulation · modluation · modualtion · modulaiton · modulasion · modulatino
  • modulatormdoulator · mmodulator · moddulator · modluator · modualtor · modulaotr · modulatorr · modulatro

Frequently Asked Questions

Is swapping "modulation" for "modulator" ever safe?
No. They differ by 1 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Which is more common, "modulation" or "modulator"?
"modulation" is the more common of the two: it sits at frequency rank #19,908 in our English list, against #40,345 for "modulator". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

You've compared "modulation" and "modulator". Here's where to go from here.

  • Full dictionary entry for "modulation" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "modulator" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #101,286 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "modulation" and "modulator" also get mixed up with nearby pairs, the highest-scored neighbour is "modulate vs modulator". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #101,286 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list