lacvsloamConfusable pair

Which to use

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

#19,379
“lac” frequency rank
#46,031
“loam” frequency rank
65410
confusion score

Side-by-Side Comparison

Feature lac loam
Definition A resinous substance or lacquer produced mainly on the banyan tree by the female of Kerria lacca, a scale insect. A type of soil; an earthy mixture of sand, silt and clay, with organic matter to which its fertility is chiefly due.

Where the eye mixes lac and loam

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
lac
4 ch
loam

Why the eye confuses lac with loam

A purely visual mix-up. lac (/læk/) and loam (/ləʊm/) 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 65410, 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/. loam is at rank #46,031, tagged as anoun, pronounced /ləʊm/.

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 65410, this pair ranks #72,892 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of lac vs loam

Shared letters: al. Private to "lac": c. Private to "loam": mo.

"lac" · 3 letters · shape CVC  ·  "loam" · 4 letters · shape CVVC

Known mistypes of this pair

  • loamlaom · lloam · loamm · olam

Frequently Asked Questions

Is swapping "lac" for "loam" ever safe?
No. They are said differently (/læk/ versus /ləʊm/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary English text, does "lac" or "loam" show up more?
"lac" is the more common of the two: it sits at frequency rank #19,379 in our English list, against #46,031 for "loam". 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 "loam" 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 "loam" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #72,892 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "lac" and "loam" also get mixed up with nearby pairs, the highest-scored neighbour is "loam vs lope". 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 #72,892 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