cancer vs of, What's the Difference?

Which to use

“cancer” is a noun and “of” is a preposition - they look or sound alike but fill different roles in a sentence.

#25,940
“cancer” frequency rank: #324
“of” frequency rank: 26264
confusion score

Side-by-Side Comparison

Feature	cancer	of
Definition	der Krebs	von

Letter map: cancer vs of

Shared letters muted; letters that set cancer and of apart highlighted. No shared letter run.

6 ch

cancer

2 ch

Grammar separator: cancer vs of

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: cancer is anoun and ofapreposition. On the page they differ by 4 letter(s) in length. Our composite confusion score for this pair is 26264, derived from the frequency rank of both members and their visual similarity.

cancer is recorded at frequency rank #25,940, classified as anoun, pronounced […]. of is at rank #324, tagged as aprep, pronounced […].

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 26264, this pair ranks #1,820,717 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of cancer vs of

Shared letters: none. Private to "cancer": acenr. Private to "of": fo.

"cancer" · 6 letters · shape CVCCVC · "of" · 2 letters · shape VC

Known mistypes of this pair

cancer ← acncer · cacner · canccer · cancerr · cancre · canecr · canncer · ccancer

Frequently Asked Questions

Is swapping "cancer" for "of" ever safe?

No - they are not even the same part of speech. "cancer" is a noun and "of" a preposition, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "cancer" or "of"?

"of" is the more common of the two: it sits at frequency rank #324 in our German list, against #25,940 for "cancer". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

You've compared "cancer" and "of". Here's where to go from here.

Full dictionary entry for "cancer" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "of" - compare definitions side by side with the headword page. Word entry
This pair ranks #1,820,717 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
"cancer" and "of" also get mixed up with nearby pairs, the highest-scored neighbour is "cancer vs puzzles". 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 #1,820,717 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.