lipvslumConfusable pair

Which to use

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

#5,808
“lip” frequency rank
#47,736
“lum” frequency rank
53544
confusion score

Side-by-Side Comparison

Feature lip lum
Definition Either of the two fleshy protrusions around the opening of the mouth. A chimney; also, the top part of a chimney.

Where the eye mixes lip and lum

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
lip
3 ch
lum

Why the eye confuses lip with lum

A purely visual mix-up. lip (/lɪp/) and lum (/lʌm/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 53544, derived from the frequency rank of both members and their visual similarity.

lip is recorded at frequency rank #5,808, classified as anoun, pronounced /lɪp/. lum is at rank #47,736, tagged as anoun, pronounced /lʌm/.

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 53544, this pair ranks #148,085 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of lip vs lum

Shared letters: l. Private to "lip": ip. Private to "lum": mu.

"lip" · 3 letters · shape CVC  ·  "lum" · 3 letters · shape CVC

Frequently Asked Questions

Can "lip" and "lum" be used interchangeably?
No. They are said differently (/lɪp/ versus /lʌm/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "lip" vs "lum" - which ranks higher?
"lip" is the more common of the two: it sits at frequency rank #5,808 in our English list, against #47,736 for "lum". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "lip" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "lum" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #148,085 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "lip" and "lum" also get mixed up with nearby pairs, the highest-scored neighbour is "LSC vs lum". Nearby pair

Confusion rank #148,085 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