lapvslumWhat's the difference?

Which to use

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

#5,335
“lap” frequency rank
#47,736
“lum” frequency rank
53071
confusion score

Side-by-Side Comparison

Feature lap lum
Definition The loose part of a coat; the lower part of a garment that plays loosely; a skirt; an apron. A chimney; also, the top part of a chimney.

Where the eye mixes lap and lum

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

3 ch
lap
3 ch
lum

Spelling & Dictionary Insight

A purely visual mix-up. lap (/læp/) 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 53071, derived from the frequency rank of both members and their visual similarity.

lap is recorded at frequency rank #5,335, classified as anoun, pronounced /læp/. 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 53071, this pair ranks #151,901 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of lap vs lum

Shared letters: l. Private to "lap": ap. Private to "lum": mu.

"lap" · 3 letters · shape CVC  ·  "lum" · 3 letters · shape CVC

Frequently Asked Questions

Can "lap" and "lum" be used interchangeably?
No. They are said differently (/læp/ versus /lʌm/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "lap" or "lum"?
"lap" is the more common of the two: it sits at frequency rank #5,335 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.

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

Source: FrequencyWords open word-frequency list