boilingvsbuildingWhat's the difference?

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

Which to use

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

#10,335
“boiling” frequency rank
#510
“building” frequency rank
10845
confusion score

Side-by-Side Comparison

Feature boiling building
Definition present participle and gerund of boil The act or process by which something is built; construction.

Where the eye mixes boiling and building

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.

7 ch
boiling
8 ch
building

Look-alike desk: boiling vs building

These two trip readers on the page rather than in the ear: boiling is /ˈbɔɪlɪŋ/ while building is /ˈbɪl.dɪŋ/. 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 (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 10845, derived from the frequency rank of both members and their visual similarity.

boiling is recorded at frequency rank #10,335, classified as averb, pronounced /ˈbɔɪlɪŋ/. building is at rank #510, tagged as anoun, pronounced /ˈbɪl.dɪŋ/.

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 10845, this pair ranks #490,222 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of boiling vs building

Shared letters: bgiln. Private to "boiling": o. Private to "building": du.

"boiling" · 7 letters · shape CVVCVCC  ·  "building" · 8 letters · shape CVVCCVCC

Known mistypes of this pair

  • boilingbboiling · bioling · boiilng · boilign · boilingg · boilinng · boilling · boilnig
  • buildingbbuilding · biulding · buidling · buildding · buildign · buildingg · buildinng · buildnig

Frequently Asked Questions

Is swapping "boiling" for "building" ever safe?
No - they are not even the same part of speech. "boiling" is a verb and "building" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "boiling" vs "building" - which ranks higher?
"building" is the more common of the two: it sits at frequency rank #510 in our English list, against #10,335 for "boiling". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "boiling" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "building" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #490,222 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "boiling" and "building" also get mixed up with nearby pairs, the highest-scored neighbour is "boiling vs boing". 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 #490,222 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list