SurevssurftConfusable pair

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

Which to use

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

#18,715
“Sure” frequency rank
#49,285
“surft” frequency rank
68000
confusion score

Side-by-Side Comparison

Feature Sure surft
Definition Kapitel (Buchabschnitt) im Koran 2. Person Plural Imperativ Präsens Aktiv des Verbs surfen

Where the eye mixes Sure and surft

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

4 ch
Sure
5 ch
surft

Visual trap between Sure and surft

These two trip readers on the page rather than in the ear: Sure is [ˈzuːʁə] while surft is [sœːɐ̯ft]. 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 (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 68000, derived from the frequency rank of both members and their visual similarity.

Sure is recorded at frequency rank #18,715, classified as anoun, pronounced [ˈzuːʁə]. surft is at rank #49,285, tagged as averb, pronounced [sœːɐ̯ft].

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 68000, this pair ranks #521,946 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Sure vs surft

Shared letters: rsu. Private to "Sure": e. Private to "surft": ft.

"Sure" · 4 letters · shape CVCV  ·  "surft" · 5 letters · shape CVCCC

Known mistypes of this pair

  • Suresrue · ssure · surre
  • surftsruft · ssurft · sufrt · surfft · surftt · surrft · surtf · usrft

Frequently Asked Questions

Is swapping "Sure" for "surft" ever safe?
No - they are not even the same part of speech. "Sure" is a noun and "surft" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "Sure" or "surft" show up more?
"Sure" is the more common of the two: it sits at frequency rank #18,715 in our German list, against #49,285 for "surft". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "Sure" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "surft" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #521,946 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Sure" and "surft" also get mixed up with nearby pairs, the highest-scored neighbour is "säuft vs surft". 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 #521,946 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list