soldervssonderWhich spelling fits?

Which to use

“solder” and “sonder” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#37,562
“solder” frequency rank
#24,779
“sonder” frequency rank
62341
confusion score

Side-by-Side Comparison

Feature solder sonder
Definition Donner une solde à des troupes, à des mercenaires. Reconnaître, par des instruments idoines, la profondeur de la mer, d’une rivière, la nature du fond, etc.

Where the eye mixes solder and sonder

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. solder and sonder follow the identical consonant-vowel pattern (CVCCVC). Same shape at a glance is often the real trap, independent of shared letters.

6 ch
solder
6 ch
sonder

Look-alike desk: solder vs sonder

A purely visual mix-up. solder (\sɔl.de\) and sonder (\sɔ̃.de\) 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 a single letter - l in “solder” becomes n in “sonder”. Our composite confusion score for this pair is 62341, derived from the frequency rank of both members and their visual similarity.

solder is recorded at frequency rank #37,562, classified as averb, pronounced \sɔl.de\. sonder is at rank #24,779, tagged as averb, pronounced \sɔ̃.de\.

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 62341, this pair ranks #87,656 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of solder vs sonder

Shared letters: deors. Private to "solder": l. Private to "sonder": n.

"solder" · 6 letters · shape CVCCVC  ·  "sonder" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • solder ← oslder · sloder · sodler · soldder · solderr · soldre · soledr · sollder
  • sonder ← osnder · snoder · sodner · sondder · sonderr · sondre · sonedr · sonnder

Frequently Asked Questions

Can "solder" and "sonder" be used interchangeably?
No. They are said differently (\sɔl.de\ versus \sɔ̃.de\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "solder" vs "sonder" - which ranks higher?
"sonder" is the more common of the two: it sits at frequency rank #24,779 in our French list, against #37,562 for "solder". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "solder" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sonder" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #87,656 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "solder" and "sonder" also get mixed up with nearby pairs, the highest-scored neighbour is "solder vs soler". 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 #87,656 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list