spurtvssturtTell them apart

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

Which to use

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

#35,532
“spurt” frequency rank
#45,104
“sturt” frequency rank
80636
confusion score

Side-by-Side Comparison

Feature spurt sturt
Definition To cause to gush out suddenly or violently in a stream or jet. In an embryo, an angle equal to two gons. If a mosaic forms in the embryo, the line passes between two organs with a probability, in percent, equal to the number of sturts between them.

Where the eye mixes spurt and sturt

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. spurt and sturt follow the identical consonant-vowel pattern (CCVCC). Same shape at a glance is often the real trap, independent of shared letters.

5 ch
spurt
5 ch
sturt

Why the eye confuses spurt with sturt

These two trip readers on the page rather than in the ear: spurt is /spɜːt/ while sturt is /stɜː(ɹ)t/. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - p in “spurt” becomes t in “sturt”, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 80636, derived from the frequency rank of both members and their visual similarity.

spurt is recorded at frequency rank #35,532, classified as averb, pronounced /spɜːt/. sturt is at rank #45,104, tagged as anoun, pronounced /stɜː(ɹ)t/.

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 80636, this pair ranks #19,361 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of spurt vs sturt

Shared letters: rstu. Private to "spurt": p. Private to "sturt": -.

"spurt" · 5 letters · shape CCVCC  ·  "sturt" · 5 letters · shape CCVCC

Known mistypes of this pair

  • spurt ← psurt · sppurt · sprut · spurrt · spurtt · sputr · sspurt · suprt
  • sturt ← ssturt · stturt · sturrt · sturtt · stutr · sutrt · tsurt

Frequently Asked Questions

Is swapping "spurt" for "sturt" ever safe?
No - they are not even the same part of speech. "spurt" is a verb and "sturt" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "spurt" or "sturt"?
"spurt" is the more common of the two: it sits at frequency rank #35,532 in our English list, against #45,104 for "sturt". 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 "spurt" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sturt" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #19,361 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "spurt" and "sturt" also get mixed up with nearby pairs, the highest-scored neighbour is "sturt vs sura". 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 #19,361 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