Which to use
“boggling” is an adjective and “boiling” is a verb - they look or sound alike but fill different roles in a sentence.
- #27,748
- “boggling” frequency rank
- #10,335
- “boiling” frequency rank
- 38083
- confusion score
Side-by-Side Comparison
| Feature | boggling | boiling |
|---|---|---|
| Definition | Stupefying; mind-boggling. | present participle and gerund of boil |
Letter map: boggling vs boiling
Shared letters muted; letters that set boggling and boiling apart highlighted. Shared run: 6. boggling runs 8 letters (CVCCCVCC) against boiling's 7 (CVVCVCC) - the length gap alone is often enough to separate them once you know to check it.
Grammar separator: boggling vs boiling
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: boggling is anadjective and boilingaverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 38083, derived from the frequency rank of both members and their visual similarity.
boggling is recorded at frequency rank #27,748, classified as anadj. boiling is at rank #10,335, tagged as averb, pronounced /ˈbɔɪlɪŋ/.
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 38083, this pair ranks #288,974 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of boggling vs boiling
Shared letters: bgilno. Private to "boggling": -. Private to "boiling": -.
"boggling" · 8 letters · shape CVCCCVCC · "boiling" · 7 letters · shape CVVCVCC
Known mistypes of this pair
Frequently Asked Questions
Can "boggling" and "boiling" be used interchangeably?
Which is more common, "boggling" or "boiling"?
What to do next
You've compared "boggling" and "boiling". Here's where to go from here.
- Full dictionary entry for "boggling" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "boiling" - compare definitions side by side with the headword page. Word entry
- This pair ranks #288,974 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "boggling" and "boiling" also get mixed up with nearby pairs, the highest-scored neighbour is "bagging vs boggling". 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 #288,974 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.