sedvssizedTell them apart

Quick tell: sed is a name, sized is an adjective, so they fill different roles in a sentence.

Which to use

“sed” is a name and “sized” is an adjective - they look or sound alike but fill different roles in a sentence.

#31,340
“sed” frequency rank
#4,554
“sized” frequency rank
35894
confusion score

Side-by-Side Comparison

Feature sed sized
Definition A noninteractive text editor (originally developed in Unix), intended for making systematic edits in an automatic or batch-oriented way. Having a certain size. Usually used in combination with an adverb or a noun.

Letter map: sed vs sized

Shared letters muted; letters that set sed and sized apart highlighted. Shared run: 3.

3 ch
sed
5 ch
sized

Role in the sentence - sed and sized

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: sed is aname and sizedanadjective. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 35894, derived from the frequency rank of both members and their visual similarity.

sed is recorded at frequency rank #31,340, classified as aname, pronounced /sɛd/. sized is at rank #4,554, tagged as anadj.

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 35894, this pair ranks #308,002 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of sed vs sized

Shared letters: des. Private to "sed": -. Private to "sized": iz.

"sed" · 3 letters · shape CVC  ·  "sized" · 5 letters · shape CVCVC

Known mistypes of this pair

  • sizediszed · siezd · sizde · sizedd · sizzed · ssized · szied

Frequently Asked Questions

Is swapping "sed" for "sized" ever safe?
No - they are not even the same part of speech. "sed" is a name and "sized" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "sed" or "sized" show up more?
"sized" is the more common of the two: it sits at frequency rank #4,554 in our English list, against #31,340 for "sed". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

You've compared "sed" and "sized". Here's where to go from here.

  • Full dictionary entry for "sed" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sized" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #308,002 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "sed" and "sized" also get mixed up with nearby pairs, the highest-scored neighbour is "sed vs suds". 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 #308,002 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