SuffvsSuffixWhich spelling fits?

Which to use

“Suff” and “Suffix” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#42,164
“Suff” frequency rank
#39,056
“Suffix” frequency rank
81220
confusion score

Side-by-Side Comparison

Feature Suff Suffix
Definition Trunk- oder Alkoholsucht an einen Wortstamm angehängte Endung, die der Wortbildung oder Flexion dient

Where the eye mixes Suff and Suffix

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

4 ch
Suff
6 ch
Suffix

Look-alike desk: Suff vs Suffix

A purely visual mix-up. Suff ([zʊf]) and Suffix ([ˈzʊfɪks]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 2 extra letter(s) - “Suff” sits inside “Suffix”. Our composite confusion score for this pair is 81220, derived from the frequency rank of both members and their visual similarity.

Suff is recorded at frequency rank #42,164, classified as anoun, pronounced [zʊf]. Suffix is at rank #39,056, tagged as anoun, pronounced [ˈzʊfɪks].

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 81220, this pair ranks #180,023 of 2,006,359 scored German confusable pairs - among the most confusable pairs.

Orthographic DNA of Suff vs Suffix

Shared letters: fsu. Private to "Suff": -. Private to "Suffix": ix.

"Suff" · 4 letters · shape CVCC  ·  "Suffix" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • Suffsfuf · ssuff · suf · usff
  • Suffixsfufix · ssuffix · suffixx · suffxi · sufifx · sufix · usffix

Frequently Asked Questions

Can "Suff" and "Suffix" be used interchangeably?
No. They are said differently ([zʊf] versus [ˈzʊfɪks]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "Suff" or "Suffix"?
"Suffix" is the more common of the two: it sits at frequency rank #39,056 in our German list, against #42,164 for "Suff". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "Suff" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Suffix" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #180,023 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Suff" and "Suffix" also get mixed up with nearby pairs, the highest-scored neighbour is "Suff 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 #180,023 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