moderationvsmodulationTell them apart

Which to use

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

#15,663
“moderation” frequency rank
#19,908
“modulation” frequency rank
35571
confusion score

Side-by-Side Comparison

Feature moderation modulation
Definition The state or quality of being moderate; avoidance of extremes Modification or regulation of something to achieve an appropriate measure or proportion; (countable) an instance of this.

Where the eye mixes moderation and modulation

Muted = shared; highlighted = the visual trap. They share 8 letters in sequence.

10 ch
moderation
10 ch
modulation

Why the eye confuses moderation with modulation

A purely visual mix-up. moderation (/ˌmɑdəˈɹeɪʃən/) and modulation (/ˌmɒdjʊˈleɪʃn̩/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 35571, derived from the frequency rank of both members and their visual similarity.

moderation is recorded at frequency rank #15,663, classified as anoun, pronounced /ˌmɑdəˈɹeɪʃən/. modulation is at rank #19,908, tagged as anoun, pronounced /ˌmɒdjʊˈleɪʃn̩/.

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 35571, this pair ranks #310,819 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of moderation vs modulation

Shared letters: adimnot. Private to "moderation": er. Private to "modulation": lu.

"moderation" · 10 letters · shape CVCVCVCVVC  ·  "modulation" · 10 letters · shape CVCVCVCVVC

Known mistypes of this pair

  • moderationmdoeration · mmoderation · modderation · modeartion · moderaiton · moderasion · moderatino · moderationn
  • modulationmdoulation · mmodulation · moddulation · modluation · modualtion · modulaiton · modulasion · modulatino

Frequently Asked Questions

Do "moderation" and "modulation" mean the same thing in a sentence?
No. They are said differently (/ˌmɑdəˈɹeɪʃən/ versus /ˌmɒdjʊˈleɪʃn̩/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "moderation" vs "modulation" - which ranks higher?
"moderation" is the more common of the two: it sits at frequency rank #15,663 in our English list, against #19,908 for "modulation". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "moderation" and "modulation" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "moderation" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "modulation" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #310,819 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "moderation" and "modulation" also get mixed up with nearby pairs, the highest-scored neighbour is "modulation 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 #310,819 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