saddervsspiderWhich spelling fits?

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

Which to use

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

#30,949
“sadder” frequency rank
#4,715
“spider” frequency rank
35664
confusion score

Side-by-Side Comparison

Feature sadder spider
Definition comparative form of sad: more sad Any of various eight-legged, predatory arthropods, of the order Araneae, most of which spin webs to catch prey.

Where the eye mixes sadder and spider

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

6 ch
sadder
6 ch
spider

Why the eye confuses sadder with spider

These two trip readers on the page rather than in the ear: sadder is /ˈsæ.də/ while spider is /ˈspaɪ̯də/. 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 35664, 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/. spider is at rank #4,715, tagged as anoun, pronounced /ˈspaɪ̯də/.

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 35664, this pair ranks #310,041 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of sadder vs spider

Shared letters: ders. Private to "sadder": a. Private to "spider": ip.

"sadder" · 6 letters · shape CVCCVC  ·  "spider" · 6 letters · shape CCVCVC

Known mistypes of this pair

  • sadderasdder · sadderr · saddre · sadedr · sader · sdader · ssadder
  • spiderpsider · sipder · spdier · spidder · spiderr · spidre · spiedr · sppider

Frequently Asked Questions

Is swapping "sadder" for "spider" ever safe?
No - they are not even the same part of speech. "sadder" is an adjective and "spider" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "sadder" or "spider"?
"spider" is the more common of the two: it sits at frequency rank #4,715 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

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

  • Full dictionary entry for "sadder" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "spider" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #310,041 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "sadder" and "spider" 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 #310,041 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