lacvslulTell them apart

Quick tell: lac is a noun, lul is an intj, so they fill different roles in a sentence.

Which to use

“lac” is a noun and “lul” is an intj - they look or sound alike but fill different roles in a sentence.

#19,379
“lac” frequency rank
#45,496
“lul” frequency rank
64875
confusion score

Side-by-Side Comparison

Feature lac lul
Definition A resinous substance or lacquer produced mainly on the banyan tree by the female of Kerria lacca, a scale insect. Alternative form of LOL.

Where the eye mixes lac and lul

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

3 ch
lac
3 ch
lul

Why the eye confuses lac with lul

These two trip readers on the page rather than in the ear: lac is /læk/ while lul is /lʌl/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs intj), which is usually the fastest check. Our composite confusion score for this pair is 64875, derived from the frequency rank of both members and their visual similarity.

lac is recorded at frequency rank #19,379, classified as anoun, pronounced /læk/. lul is at rank #45,496, tagged as anintj, pronounced /lʌl/.

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 64875, this pair ranks #75,517 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of lac vs lul

Shared letters: l. Private to "lac": ac. Private to "lul": u.

"lac" · 3 letters · shape CVC  ·  "lul" · 3 letters · shape CVC

Frequently Asked Questions

Do "lac" and "lul" mean the same thing in a sentence?
No - they are not even the same part of speech. "lac" is a noun and "lul" an intj, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "lac" vs "lul" - which ranks higher?
"lac" is the more common of the two: it sits at frequency rank #19,379 in our English list, against #45,496 for "lul". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "lac" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "lul" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #75,517 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "lac" and "lul" also get mixed up with nearby pairs, the highest-scored neighbour is "LSC vs lul". Nearby pair

Confusion rank #75,517 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