humvshumpWhich spelling fits?

Which to use

“hum” and “hump” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#13,172
“hum” frequency rank
#18,103
“hump” frequency rank
31275
confusion score

Side-by-Side Comparison

Feature hum hump
Definition A hummed tune, i.e. created orally with lips closed. A mound of earth.

Where the eye mixes hum and hump

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

3 ch
hum
4 ch
hump

Visual trap between hum and hump

A purely visual mix-up. hum (/ˈhʌm/) and hump (/hʌmp/) 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 1 extra letter(s) - “hum” sits inside “hump”. Our composite confusion score for this pair is 31275, derived from the frequency rank of both members and their visual similarity.

hum is recorded at frequency rank #13,172, classified as anoun, pronounced /ˈhʌm/. hump is at rank #18,103, tagged as anoun, pronounced /hʌmp/.

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 31275, this pair ranks #347,501 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of hum vs hump

Shared letters: hmu. Private to "hum": -. Private to "hump": p.

"hum" · 3 letters · shape CVC  ·  "hump" · 4 letters · shape CVCC

Known mistypes of this pair

  • humphhump · hmup · hummp · humpp · hupm · uhmp

Frequently Asked Questions

Is swapping "hum" for "hump" ever safe?
No. They are said differently (/ˈhʌm/ versus /hʌmp/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary English text, does "hum" or "hump" show up more?
"hum" is the more common of the two: it sits at frequency rank #13,172 in our English list, against #18,103 for "hump". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "hum" and "hump" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "hum" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "hump" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #347,501 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "hum" and "hump" also get mixed up with nearby pairs, the highest-scored neighbour is "hump vs humps". 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 #347,501 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