Which to use
“tumblr” and “tumour” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #10,626
- “tumblr” frequency rank
- #17,510
- “tumour” frequency rank
- 28136
- confusion score
Side-by-Side Comparison
| Feature | tumblr | tumour |
|---|---|---|
| Definition | Alternative letter-case form of Tumblr (“a microblog on Tumblr”). | Commonwealth standard spelling of tumor. |
Letter map: tumblr vs tumour
Shared letters muted; letters that set tumblr and tumour apart highlighted. Shared run: 4. tumblr (CVCCCC) and tumour (CVCVVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Spelling & dictionary notes on tumblr vs tumour
tumblr and tumour are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 28136, derived from the frequency rank of both members and their visual similarity.
tumblr is recorded at frequency rank #10,626, classified as anoun. tumour is at rank #17,510, tagged as anoun.
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 28136, this pair ranks #373,428 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of tumblr vs tumour
Shared letters: mrtu. Private to "tumblr": bl. Private to "tumour": o.
"tumblr" · 6 letters · shape CVCCCC · "tumour" · 6 letters · shape CVCVVC
Known mistypes of this pair
Frequently Asked Questions
Do "tumblr" and "tumour" mean the same thing in a sentence?
Which is more common, "tumblr" or "tumour"?
After this comparison
Done with this confusable. These links stay specific to "tumblr" and "tumour".
- Full dictionary entry for "tumblr" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "tumour" - compare definitions side by side with the headword page. Word entry
- This pair ranks #373,428 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "tumblr" and "tumour" also get mixed up with nearby pairs, the highest-scored neighbour is "tuber vs tumblr". 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 #373,428 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.