sonarvssongWhich spelling fits?

Which to use

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

#19,702
“sonar” frequency rank
#553
“song” frequency rank
20255
confusion score

Side-by-Side Comparison

Feature sonar song
Definition Artificial echolocation by use of electronic equipment, with hydrophones to locate objects underwater, using the same wave-analysis principles that radar uses. A musical composition with lyrics for voice or voices, performed by singing.

Where the eye mixes sonar and song

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
sonar
4 ch
song

Look-alike desk: sonar vs song

A purely visual mix-up. sonar (/ˈsoʊ.nɑːɹ/) and song (/sɒŋ/) 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 20255, derived from the frequency rank of both members and their visual similarity.

sonar is recorded at frequency rank #19,702, classified as anoun, pronounced /ˈsoʊ.nɑːɹ/. song is at rank #553, tagged as anoun, pronounced /sɒŋ/.

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 20255, this pair ranks #432,399 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of sonar vs song

Shared letters: nos. Private to "sonar": ar. Private to "song": g.

"sonar" · 5 letters · shape CVCVC  ·  "song" · 4 letters · shape CVCC

Known mistypes of this pair

  • sonarosnar · snoar · soanr · sonarr · sonnar · sonra · ssonar
  • songosng · snog · sogn · songg · sonng · ssong

Frequently Asked Questions

Is swapping "sonar" for "song" ever safe?
No. They are said differently (/ˈsoʊ.nɑːɹ/ versus /sɒŋ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary English text, does "sonar" or "song" show up more?
"song" is the more common of the two: it sits at frequency rank #553 in our English list, against #19,702 for "sonar". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "sonar" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "song" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #432,399 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "sonar" and "song" also get mixed up with nearby pairs, the highest-scored neighbour is "soca vs sonar". 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 #432,399 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