ladvsluWhat's the difference?

Which to use

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

#8,307
“lad” frequency rank
#12,273
“lu” frequency rank
20580
confusion score

Side-by-Side Comparison

Feature lad lu
Definition A boy or young man. Archaic form of loo (“card game”).

Where the eye mixes lad and lu

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

3 ch
lad
2 ch
lu

Why the eye confuses lad with lu

A purely visual mix-up. lad (/læd/) and lu (/luː/) 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 letter(s) in length. Our composite confusion score for this pair is 20580, derived from the frequency rank of both members and their visual similarity.

lad is recorded at frequency rank #8,307, classified as anoun, pronounced /læd/. lu is at rank #12,273, tagged as anoun, pronounced /luː/.

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 20580, this pair ranks #430,085 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of lad vs lu

Shared letters: l. Private to "lad": ad. Private to "lu": u.

"lad" · 3 letters · shape CVC  ·  "lu" · 2 letters · shape CV

Frequently Asked Questions

Is swapping "lad" for "lu" ever safe?
No. They are said differently (/læd/ versus /luː/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "lad" vs "lu" - which ranks higher?
"lad" is the more common of the two: it sits at frequency rank #8,307 in our English list, against #12,273 for "lu". 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 "lad" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "lu" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #430,085 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "lad" and "lu" also get mixed up with nearby pairs, the highest-scored neighbour is "LSC vs lu". Nearby pair

Confusion rank #430,085 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