seavsstemWhat's the difference?

Quick tell: sea is a verb, stem is a noun, so they fill different roles in a sentence.

Which to use

“sea” is a verb and “stem” is a noun - they look or sound alike but fill different roles in a sentence.

#116
“sea” frequency rank
#49,952
“stem” frequency rank
50068
confusion score

Side-by-Side Comparison

Feature sea stem
Definition Primera persona del singular (yo) del presente de subjuntivo de ser. Tallo.

Where the eye mixes sea and stem

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
sea
4 ch
stem

Look-alike desk: sea vs stem

These two trip readers on the page rather than in the ear: sea is [ˈsea] while stem is /stɛm/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 50068, derived from the frequency rank of both members and their visual similarity.

sea is recorded at frequency rank #116, classified as averb, pronounced [ˈsea]. stem is at rank #49,952, tagged as anoun, pronounced /stɛm/.

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 50068, this pair ranks #105,269 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of sea vs stem

Shared letters: es. Private to "sea": a. Private to "stem": mt.

"sea" · 3 letters · shape CVV  ·  "stem" · 4 letters · shape CCVC

Known mistypes of this pair

  • stemsetm · sstem · stemm · stme · sttem · tsem

Frequently Asked Questions

Is swapping "sea" for "stem" ever safe?
No - they are not even the same part of speech. "sea" is a verb and "stem" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "sea" or "stem"?
"sea" is the more common of the two: it sits at frequency rank #116 in our Spanish list, against #49,952 for "stem". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

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

  • Full dictionary entry for "sea" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "stem" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #105,269 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "sea" and "stem" also get mixed up with nearby pairs, the highest-scored neighbour is "sei vs stem". 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 #105,269 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list