saddervssolderWhich spelling fits?

Quick tell: sadder is a adjective, solder is a noun, so they fill different roles in a sentence.

Which to use

“sadder” is an adjective and “solder” is a noun - they look or sound alike but fill different roles in a sentence.

#30,949
“sadder” frequency rank
#25,212
“solder” frequency rank
56161
confusion score

Side-by-Side Comparison

Feature sadder solder
Definition comparative form of sad: more sad Any of various easily-melted alloys, commonly of tin and lead, that are used to mend, coat, or join metal objects, usually small.

Where the eye mixes sadder and solder

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

6 ch
sadder
6 ch
solder

Visual trap between sadder and solder

These two trip readers on the page rather than in the ear: sadder is /ˈsæ.də/ while solder is /ˈsɒl.də(ɹ)/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 56161, derived from the frequency rank of both members and their visual similarity.

sadder is recorded at frequency rank #30,949, classified as anadj, pronounced /ˈsæ.də/. solder is at rank #25,212, tagged as anoun, pronounced /ˈsɒl.də(ɹ)/.

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 56161, this pair ranks #128,246 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of sadder vs solder

Shared letters: ders. Private to "sadder": a. Private to "solder": lo.

"sadder" · 6 letters · shape CVCCVC  ·  "solder" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • sadderasdder · sadderr · saddre · sadedr · sader · sdader · ssadder
  • solderoslder · sloder · sodler · soldder · solderr · soldre · soledr · sollder

Frequently Asked Questions

Can "sadder" and "solder" be used interchangeably?
No - they are not even the same part of speech. "sadder" is an adjective and "solder" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "sadder" or "solder"?
"solder" is the more common of the two: it sits at frequency rank #25,212 in our English list, against #30,949 for "sadder". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "sadder" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "solder" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #128,246 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "sadder" and "solder" also get mixed up with nearby pairs, the highest-scored neighbour is "sadder vs scudder". 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 #128,246 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