edemavsemaWhat's the difference?

Which to use

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

#30,776
“edema” frequency rank
#32,373
“ema” frequency rank
63149
confusion score

Side-by-Side Comparison

Feature edema ema
Definition An excessive accumulation of serum in tissue spaces or a body cavity. A wooden plaque bearing a prayer or wish, left hanging at a Shinto shrine.

Letter map: edema vs ema

Shared letters muted; letters that set edema and ema apart highlighted. Shared run: 3. edema runs 5 letters (VCVCV) against ema's 3 (VCV) - the length gap alone is often enough to separate them once you know to check it.

5 ch
edema
3 ch
ema

Corpus notes: edema and ema

edema and ema are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 2 extra letter(s) - “ema” sits inside “edema”. Our composite confusion score for this pair is 63149, derived from the frequency rank of both members and their visual similarity.

edema is recorded at frequency rank #30,776, classified as anoun, pronounced /ɪˈdiː.mə/. ema is at rank #32,373, tagged as anoun.

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 63149, this pair ranks #84,601 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of edema vs ema

Shared letters: aem. Private to "edema": d. Private to "ema": -.

"edema" · 5 letters · shape VCVCV  ·  "ema" · 3 letters · shape VCV

Known mistypes of this pair

  • edema ← deema · eddema · edeam · edemma · edmea · eedma

Frequently Asked Questions

Is swapping "edema" for "ema" ever safe?
No. They differ by 2 extra letter(s) - “ema” sits inside “edema”, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "edema" vs "ema" - which ranks higher?
"edema" is the more common of the two: it sits at frequency rank #30,776 in our English list, against #32,373 for "ema". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

You've compared "edema" and "ema". Here's where to go from here.

  • Full dictionary entry for "edema" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ema" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #84,601 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "edema" and "ema" also get mixed up with nearby pairs, the highest-scored neighbour is "ema vs Eri". 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 #84,601 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